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34831980 = 223251711383
BaseRepresentation
bin1000010011011…
…1111001101100
32102112122111100
42010313321230
532404110410
63242323100
7602031651
oct204677154
972478440
1034831980
1118730867
12b7b9490
1372a7451
1448a9c28
1530d08c0
hex2137e6c

34831980 has 72 divisors (see below), whose sum is σ = 111881952. Its totient is φ = 8741376.

The previous prime is 34831949. The next prime is 34831991. The reversal of 34831980 is 8913843.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2632 + ... + 8751.

It is an arithmetic number, because the mean of its divisors is an integer number (1553916).

Almost surely, 234831980 is an apocalyptic number.

34831980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34831980 is an abundant number, since it is smaller than the sum of its proper divisors (77049972).

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

34831980 is a wasteful number, since it uses less digits than its factorization.

34831980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11415 (or 11410 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 34831980 is about 5901.8624179152. The cubic root of 34831980 is about 326.5823582698.

The spelling of 34831980 in words is "thirty-four million, eight hundred thirty-one thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 102 153 170 180 204 255 306 340 510 612 765 1020 1530 3060 11383 22766 34149 45532 56915 68298 102447 113830 136596 170745 193511 204894 227660 341490 387022 409788 512235 580533 682980 774044 967555 1024470 1161066 1741599 1935110 2048940 2322132 2902665 3483198 3870220 5805330 6966396 8707995 11610660 17415990 34831980