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97652880 = 243251310433
BaseRepresentation
bin1011101001000…
…01000010010000
320210202021120100
411310201002100
5144444343010
613405012400
72264015163
oct564410220
9223667510
1097652880
1150139066
1228854100
1317301390
14cd7dada
15888e2c0
hex5d21090

97652880 has 120 divisors (see below), whose sum is σ = 353211768. Its totient is φ = 24035328.

The previous prime is 97652851. The next prime is 97652897. The reversal of 97652880 is 8825679.

It can be written as a sum of positive squares in 4 ways, for example, as 3873024 + 93779856 = 1968^2 + 9684^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4144 + ... + 14576.

Almost surely, 297652880 is an apocalyptic number.

97652880 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97652880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176605884).

97652880 is an abundant number, since it is smaller than the sum of its proper divisors (255558888).

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

97652880 is a wasteful number, since it uses less digits than its factorization.

97652880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10465 (or 10456 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 97652880 is about 9881.9471765437. The cubic root of 97652880 is about 460.4986401230.

The spelling of 97652880 in words is "ninety-seven million, six hundred fifty-two thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 45 48 52 60 65 72 78 80 90 104 117 120 130 144 156 180 195 208 234 240 260 312 360 390 468 520 585 624 720 780 936 1040 1170 1560 1872 2340 3120 4680 9360 10433 20866 31299 41732 52165 62598 83464 93897 104330 125196 135629 156495 166928 187794 208660 250392 271258 312990 375588 406887 417320 469485 500784 542516 625980 678145 751176 813774 834640 938970 1085032 1220661 1251960 1356290 1502352 1627548 1877940 2034435 2170064 2441322 2503920 2712580 3255096 3755880 4068870 4882644 5425160 6103305 6510192 7511760 8137740 9765288 10850320 12206610 16275480 19530576 24413220 32550960 48826440 97652880