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97250820 = 223513711831
BaseRepresentation
bin1011100101111…
…10111000000100
320202222212001020
411302332320010
5144344011240
613352231140
72260422042
oct562767004
9222885036
1097250820
114a993a87
122869b4b0
13171c0384
14ccb7392
1588100d0
hex5cbee04

97250820 has 48 divisors (see below), whose sum is σ = 274313088. Its totient is φ = 25742080.

The previous prime is 97250809. The next prime is 97250827. The reversal of 97250820 is 2805279.

It is not an unprimeable number, because it can be changed into a prime (97250827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2305 + ... + 14135.

It is an arithmetic number, because the mean of its divisors is an integer number (5714856).

Almost surely, 297250820 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 97250820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137156544).

97250820 is an abundant number, since it is smaller than the sum of its proper divisors (177062268).

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

97250820 is a wasteful number, since it uses less digits than its factorization.

97250820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11980 (or 11978 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 97250820 is about 9861.5830372207. The cubic root of 97250820 is about 459.8657768439.

The spelling of 97250820 in words is "ninety-seven million, two hundred fifty thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 137 274 411 548 685 822 1370 1644 2055 2740 4110 8220 11831 23662 35493 47324 59155 70986 118310 141972 177465 236620 354930 709860 1620847 3241694 4862541 6483388 8104235 9725082 16208470 19450164 24312705 32416940 48625410 97250820