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97570044 = 2232112131723
BaseRepresentation
bin1011101000011…
…00110011111100
320210121001221100
411310030303330
5144434220134
613403133100
72263221525
oct564146374
9223531840
1097570044
1150091900
1228814190
13172a2770
14cd5b84c
158874999
hex5d0ccfc

97570044 has 108 divisors (see below), whose sum is σ = 292118008. Its totient is φ = 27276480.

The previous prime is 97570043. The next prime is 97570061. The reversal of 97570044 is 44007579.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 97569990 and 97570008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97570043) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 55767 + ... + 57489.

Almost surely, 297570044 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 97570044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146059004).

97570044 is an abundant number, since it is smaller than the sum of its proper divisors (194547964).

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

97570044 is a wasteful number, since it uses less digits than its factorization.

97570044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 97570044 is about 9877.7550080977. The cubic root of 97570044 is about 460.3683942411.

The spelling of 97570044 in words is "ninety-seven million, five hundred seventy thousand, forty-four".

Divisors: 1 2 3 4 6 9 11 12 13 18 22 26 33 36 39 44 52 66 78 99 117 121 132 143 156 198 234 242 286 363 396 429 468 484 572 726 858 1089 1287 1452 1573 1716 1723 2178 2574 3146 3446 4356 4719 5148 5169 6292 6892 9438 10338 14157 15507 18876 18953 20676 22399 28314 31014 37906 44798 56628 56859 62028 67197 75812 89596 113718 134394 170577 201591 208483 227436 246389 268788 341154 403182 416966 492778 625449 682308 739167 806364 833932 985556 1250898 1478334 1876347 2217501 2501796 2710279 2956668 3752694 4435002 5420558 7505388 8130837 8870004 10841116 16261674 24392511 32523348 48785022 97570044