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97648656 = 2437290621
BaseRepresentation
bin1011101001000…
…00000000010000
320210202001202220
411310200000100
5144444224111
613404541040
72263666650
oct564400020
9223661686
1097648656
1150135976
1228851780
13172cc491
14cd7c360
15888ce06
hex5d20010

97648656 has 40 divisors (see below), whose sum is σ = 288297024. Its totient is φ = 27899520.

The previous prime is 97648651. The next prime is 97648673. The reversal of 97648656 is 65684679.

It is a junction number, because it is equal to n+sod(n) for n = 97648599 and 97648608.

It is not an unprimeable number, because it can be changed into a prime (97648651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144975 + ... + 145646.

Almost surely, 297648656 is an apocalyptic number.

It is an amenable number.

97648656 is an abundant number, since it is smaller than the sum of its proper divisors (190648368).

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

97648656 is a wasteful number, since it uses less digits than its factorization.

97648656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290639 (or 290633 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 97648656 is about 9881.7334511714. The cubic root of 97648656 is about 460.4920003656.

The spelling of 97648656 in words is "ninety-seven million, six hundred forty-eight thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 290621 581242 871863 1162484 1743726 2034347 2324968 3487452 4068694 4649936 6103041 6974904 8137388 12206082 13949808 16274776 24412164 32549552 48824328 97648656