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88697961 = 32112791031
BaseRepresentation
bin1010100100101…
…10110001101001
320011220022201200
411102112301221
5140201313321
612445034413
72124630432
oct522266151
9204808650
1088697961
1146082100
1225855a09
13154b7401
14bacc489
157bc0d26
hex5496c69

88697961 has 36 divisors (see below), whose sum is σ = 142746240. Its totient is φ = 53024400.

The previous prime is 88697953. The next prime is 88697969. The reversal of 88697961 is 16979688.

It is an interprime number because it is at equal distance from previous prime (88697953) and next prime (88697969).

It is not a de Polignac number, because 88697961 - 23 = 88697953 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 88697898 and 88697907.

It is not an unprimeable number, because it can be changed into a prime (88697969) 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 35 ways as a sum of consecutive naturals, for example, 85516 + ... + 86546.

Almost surely, 288697961 is an apocalyptic number.

It is an amenable number.

88697961 is a deficient number, since it is larger than the sum of its proper divisors (54048279).

88697961 is a wasteful number, since it uses less digits than its factorization.

88697961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1124 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 88697961 is about 9417.9594923741. The cubic root of 88697961 is about 445.9688707854.

The spelling of 88697961 in words is "eighty-eight million, six hundred ninety-seven thousand, nine hundred sixty-one".

Divisors: 1 3 9 11 33 79 99 121 237 363 711 869 1031 1089 2607 3093 7821 9279 9559 11341 28677 34023 81449 86031 102069 124751 244347 374253 733041 895939 1122759 2687817 8063451 9855329 29565987 88697961