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61679097 = 339292459
BaseRepresentation
bin1110101101001…
…0010111111001
311022001121211000
43223102113321
5111242212342
610041555213
71346156304
oct353222771
9138047730
1061679097
11318a8467
12187a5b09
13ca1730c
148297b3b
15563544c
hex3ad25f9

61679097 has 16 divisors (see below), whose sum is σ = 91512000. Its totient is φ = 41058432.

The previous prime is 61679081. The next prime is 61679141. The reversal of 61679097 is 79097616.

It is not a de Polignac number, because 61679097 - 24 = 61679081 is a prime.

It is a super-2 number, since 2×616790972 = 7608622013470818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61679297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23854 + ... + 26312.

It is an arithmetic number, because the mean of its divisors is an integer number (5719500).

Almost surely, 261679097 is an apocalyptic number.

It is an amenable number.

61679097 is a deficient number, since it is larger than the sum of its proper divisors (29832903).

61679097 is a wasteful number, since it uses less digits than its factorization.

61679097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397 (or 3391 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 61679097 is about 7853.6040771101. The cubic root of 61679097 is about 395.1051303781.

The spelling of 61679097 in words is "sixty-one million, six hundred seventy-nine thousand, ninety-seven".

Divisors: 1 3 9 27 929 2459 2787 7377 8361 22131 25083 66393 2284411 6853233 20559699 61679097