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97686061 = 118880551
BaseRepresentation
bin1011101001010…
…01001000101101
320210210222002021
411310221020231
5200001423221
613405430141
72264214004
oct564511055
9223728067
1097686061
1150160a90
122886b351
1317313505
14cd8bc3b
158899041
hex5d2922d

97686061 has 4 divisors (see below), whose sum is σ = 106566624. Its totient is φ = 88805500.

The previous prime is 97686059. The next prime is 97686073. The reversal of 97686061 is 16068679.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97686061 - 21 = 97686059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97685999 and 97686017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97686041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4440265 + ... + 4440286.

It is an arithmetic number, because the mean of its divisors is an integer number (26641656).

Almost surely, 297686061 is an apocalyptic number.

It is an amenable number.

97686061 is a deficient number, since it is larger than the sum of its proper divisors (8880563).

97686061 is a wasteful number, since it uses less digits than its factorization.

97686061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8880562.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 97686061 is about 9883.6259034830. The cubic root of 97686061 is about 460.5507910857.

The spelling of 97686061 in words is "ninety-seven million, six hundred eighty-six thousand, sixty-one".

Divisors: 1 11 8880551 97686061