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83243960 = 2352081099
BaseRepresentation
bin1001111011000…
…11001110111000
312210122020020122
410331203032320
5132302301320
612132112412
72030363522
oct475431670
9183566218
1083243960
1142a97468
1223a65708
1314327aa7
14b0aca12
157494d25
hex4f633b8

83243960 has 16 divisors (see below), whose sum is σ = 187299000. Its totient is φ = 33297568.

The previous prime is 83243957. The next prime is 83243977. The reversal of 83243960 is 6934238.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 83243960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040510 + ... + 1040589.

Almost surely, 283243960 is an apocalyptic number.

It is an amenable number.

83243960 is an abundant number, since it is smaller than the sum of its proper divisors (104055040).

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

83243960 is a wasteful number, since it uses less digits than its factorization.

83243960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081110 (or 2081106 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 83243960 is about 9123.8127994825. The cubic root of 83243960 is about 436.6340269163.

The spelling of 83243960 in words is "eighty-three million, two hundred forty-three thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 2081099 4162198 8324396 10405495 16648792 20810990 41621980 83243960