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34938980 = 2251746949
BaseRepresentation
bin1000010101001…
…0000001100100
32102202002021022
42011102001210
532421021410
63244510312
7602655626
oct205220144
972662238
1034938980
11187a419a
12b84b398
13731406b
1448d6c16
153102455
hex2152064

34938980 has 12 divisors (see below), whose sum is σ = 73371900. Its totient is φ = 13975584.

The previous prime is 34938977. The next prime is 34939007. The reversal of 34938980 is 8983943.

It can be written as a sum of positive squares in 2 ways, for example, as 9375844 + 25563136 = 3062^2 + 5056^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873455 + ... + 873494.

It is an arithmetic number, because the mean of its divisors is an integer number (6114325).

Almost surely, 234938980 is an apocalyptic number.

It is an amenable number.

34938980 is an abundant number, since it is smaller than the sum of its proper divisors (38432920).

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

34938980 is a wasteful number, since it uses less digits than its factorization.

34938980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746958 (or 1746956 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 34938980 is about 5910.9204021032. The cubic root of 34938980 is about 326.9164247568.

The spelling of 34938980 in words is "thirty-four million, nine hundred thirty-eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 1746949 3493898 6987796 8734745 17469490 34938980