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34479540 = 2233567953
BaseRepresentation
bin1000001110000…
…1110110110100
32101212202001000
42003201312310
532311321130
63231003300
7566033304
oct203416664
971782030
1034479540
111850aa97
12b669530
1371b2bc4
144817604
153061260
hex20e1db4

34479540 has 96 divisors (see below), whose sum is σ = 108984960. Its totient is φ = 9047808.

The previous prime is 34479527. The next prime is 34479583. The reversal of 34479540 is 4597443.

34479540 is a `hidden beast` number, since 3 + 44 + 79 + 540 = 666.

It is a super-2 number, since 2×344795402 = 2377677357223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 34479495 and 34479504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35704 + ... + 36656.

It is an arithmetic number, because the mean of its divisors is an integer number (1135260).

Almost surely, 234479540 is an apocalyptic number.

34479540 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 34479540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54492480).

34479540 is an abundant number, since it is smaller than the sum of its proper divisors (74505420).

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

34479540 is a wasteful number, since it uses less digits than its factorization.

34479540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 34479540 is about 5871.9281330752. The cubic root of 34479540 is about 325.4771374288.

The spelling of 34479540 in words is "thirty-four million, four hundred seventy-nine thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 67 90 108 134 135 180 201 268 270 335 402 540 603 670 804 953 1005 1206 1340 1809 1906 2010 2412 2859 3015 3618 3812 4020 4765 5718 6030 7236 8577 9045 9530 11436 12060 14295 17154 18090 19060 25731 28590 34308 36180 42885 51462 57180 63851 85770 102924 127702 128655 171540 191553 255404 257310 319255 383106 514620 574659 638510 766212 957765 1149318 1277020 1723977 1915530 2298636 2873295 3447954 3831060 5746590 6895908 8619885 11493180 17239770 34479540