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34799940 = 22325771389
BaseRepresentation
bin1000010011000…
…0000101000100
32102111000112200
42010300011010
532402044230
63241514500
7601536360
oct204600504
972430480
1034799940
111870978a
12b7a2a30
1372959a6
14489c2a0
1530c6160
hex2130144

34799940 has 144 divisors (see below), whose sum is σ = 122653440. Its totient is φ = 7822080.

The previous prime is 34799929. The next prime is 34799953. The reversal of 34799940 is 4999743.

It is a super-2 number, since 2×347999402 = 2422071648007200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89266 + ... + 89654.

It is an arithmetic number, because the mean of its divisors is an integer number (851760).

Almost surely, 234799940 is an apocalyptic number.

34799940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34799940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61326720).

34799940 is an abundant number, since it is smaller than the sum of its proper divisors (87853500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34799940 is a wasteful number, since it uses less digits than its factorization.

34799940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 34799940 is about 5899.1473960226. The cubic root of 34799940 is about 326.4821925722.

The spelling of 34799940 in words is "thirty-four million, seven hundred ninety-nine thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 71 84 90 105 126 140 142 180 210 213 252 284 315 355 389 420 426 497 630 639 710 778 852 994 1065 1167 1260 1278 1420 1491 1556 1945 1988 2130 2334 2485 2556 2723 2982 3195 3501 3890 4260 4473 4668 4970 5446 5835 5964 6390 7002 7455 7780 8169 8946 9940 10892 11670 12780 13615 14004 14910 16338 17505 17892 22365 23340 24507 27230 27619 29820 32676 35010 40845 44730 49014 54460 55238 70020 81690 82857 89460 98028 110476 122535 138095 163380 165714 193333 245070 248571 276190 331428 386666 414285 490140 497142 552380 579999 773332 828570 966665 994284 1159998 1242855 1657140 1739997 1933330 2319996 2485710 2899995 3479994 3866660 4971420 5799990 6959988 8699985 11599980 17399970 34799940