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61008804 = 22321694689
BaseRepresentation
bin1110100010111…
…0101110100100
311020210120100100
43220232232210
5111104240204
610015344100
71340365143
oct350565644
9136716310
1061008804
113148a8aa
1218522030
13c8411ac
14816175a
155551a39
hex3a2eba4

61008804 has 18 divisors (see below), whose sum is σ = 154216790. Its totient is φ = 20336256.

The previous prime is 61008769. The next prime is 61008817. The reversal of 61008804 is 40880016.

It can be written as a sum of positive squares in only one way, i.e., 38937600 + 22071204 = 6240^2 + 4698^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 847309 + ... + 847380.

Almost surely, 261008804 is an apocalyptic number.

It is an amenable number.

61008804 is an abundant number, since it is smaller than the sum of its proper divisors (93207986).

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

61008804 is a wasteful number, since it uses less digits than its factorization.

61008804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694699 (or 1694694 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 61008804 is about 7810.8132739171. The cubic root of 61008804 is about 393.6686556075.

The spelling of 61008804 in words is "sixty-one million, eight thousand, eight hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 1694689 3389378 5084067 6778756 10168134 15252201 20336268 30504402 61008804