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97970656 = 2572631663
BaseRepresentation
bin1011101011011…
…10100111100000
320211100102110211
411311232213200
5200040030111
613415503504
72266510510
oct565564740
9224312424
1097970656
1150335893
1228987b94
13173b2c04
14d023840
158903521
hex5d6e9e0

97970656 has 48 divisors (see below), whose sum is σ = 221405184. Its totient is φ = 41802624.

The previous prime is 97970651. The next prime is 97970657. The reversal of 97970656 is 65607979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97970651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58081 + ... + 59743.

It is an arithmetic number, because the mean of its divisors is an integer number (4612608).

Almost surely, 297970656 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 97970656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110702592).

97970656 is an abundant number, since it is smaller than the sum of its proper divisors (123434528).

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

97970656 is a wasteful number, since it uses less digits than its factorization.

97970656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943 (or 1935 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 49.

The square root of 97970656 is about 9898.0127298362. The cubic root of 97970656 is about 460.9976080671.

The spelling of 97970656 in words is "ninety-seven million, nine hundred seventy thousand, six hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 263 526 1052 1663 1841 2104 3326 3682 4208 6652 7364 8416 11641 13304 14728 23282 26608 29456 46564 53216 58912 93128 186256 372512 437369 874738 1749476 3061583 3498952 6123166 6997904 12246332 13995808 24492664 48985328 97970656