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97671912 = 23313367853
BaseRepresentation
bin1011101001001…
…01101011101000
320210210020200020
411310211223220
5200001000122
613405240440
72264124522
oct564455350
9223706606
1097671912
1150151398
1228863120
1317309c40
14cd86a12
158894c5c
hex5d25ae8

97671912 has 64 divisors (see below), whose sum is σ = 263988480. Its totient is φ = 29935872.

The previous prime is 97671857. The next prime is 97671941. The reversal of 97671912 is 21917679.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114078 + ... + 114930.

It is an arithmetic number, because the mean of its divisors is an integer number (4124820).

Almost surely, 297671912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97671912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131994240).

97671912 is an abundant number, since it is smaller than the sum of its proper divisors (166316568).

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

97671912 is a wasteful number, since it uses less digits than its factorization.

97671912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242 (or 1238 counting only the distinct ones).

The product of its digits is 47628, while the sum is 42.

The square root of 97671912 is about 9882.9100977394. The cubic root of 97671912 is about 460.5285543826.

The spelling of 97671912 in words is "ninety-seven million, six hundred seventy-one thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 367 734 853 1101 1468 1706 2202 2559 2936 3412 4404 4771 5118 6824 8808 9542 10236 11089 14313 19084 20472 22178 28626 33267 38168 44356 57252 66534 88712 114504 133068 266136 313051 626102 939153 1252204 1878306 2504408 3756612 4069663 7513224 8139326 12208989 16278652 24417978 32557304 48835956 97671912