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34868980 = 22514911701
BaseRepresentation
bin1000010100000…
…0111011110100
32102121112020201
42011000323310
532411301410
63243210244
7602244556
oct205007364
972545221
1034868980
1118756643
12b816984
1372bb243
1448b94d6
1530db83a
hex2140ef4

34868980 has 24 divisors (see below), whose sum is σ = 73722600. Its totient is φ = 13852800.

The previous prime is 34868969. The next prime is 34869007. The reversal of 34868980 is 8986843.

It can be written as a sum of positive squares in 4 ways, for example, as 2196324 + 32672656 = 1482^2 + 5716^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 34868980.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2871 + ... + 8830.

It is an arithmetic number, because the mean of its divisors is an integer number (3071775).

Almost surely, 234868980 is an apocalyptic number.

It is an amenable number.

34868980 is an abundant number, since it is smaller than the sum of its proper divisors (38853620).

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

34868980 is a wasteful number, since it uses less digits than its factorization.

34868980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11859 (or 11857 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 34868980 is about 5904.9961896685. The cubic root of 34868980 is about 326.6979538731.

The spelling of 34868980 in words is "thirty-four million, eight hundred sixty-eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 11701 23402 46804 58505 117010 234020 1743449 3486898 6973796 8717245 17434490 34868980