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61075684 = 2215268921
BaseRepresentation
bin1110100011111…
…1000011100100
311020220222002101
43220333003210
5111113410214
610021021444
71341064135
oct350770344
9136828071
1061075684
113152607a
1218554884
13c865777
14817bc8c
155566774
hex3a3f0e4

61075684 has 6 divisors (see below), whose sum is σ = 106882454. Its totient is φ = 30537840.

The previous prime is 61075667. The next prime is 61075699. The reversal of 61075684 is 48657016.

It can be written as a sum of positive squares in only one way, i.e., 50694400 + 10381284 = 7120^2 + 3222^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7634457 + ... + 7634464.

Almost surely, 261075684 is an apocalyptic number.

It is an amenable number.

61075684 is a deficient number, since it is larger than the sum of its proper divisors (45806770).

61075684 is a wasteful number, since it uses less digits than its factorization.

61075684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15268925 (or 15268923 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 61075684 is about 7815.0933455718. The cubic root of 61075684 is about 393.8124542237.

The spelling of 61075684 in words is "sixty-one million, seventy-five thousand, six hundred eighty-four".

Divisors: 1 2 4 15268921 30537842 61075684