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82902080 = 265594391
BaseRepresentation
bin1001111000011…
…11110001000000
312202222212021102
410330033301000
5132210331310
612120513532
72024441012
oct474176100
9182885242
1082902080
1142883618
122391b8a8
13142382b1
14b0201b2
1574288a5
hex4f0fc40

82902080 has 56 divisors (see below), whose sum is σ = 200802240. Its totient is φ = 32591360.

The previous prime is 82902059. The next prime is 82902101. The reversal of 82902080 is 8020928.

It is an interprime number because it is at equal distance from previous prime (82902059) and next prime (82902101).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16685 + ... + 21075.

Almost surely, 282902080 is an apocalyptic number.

82902080 is a gapful number since it is divisible by the number (80) 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 82902080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100401120).

82902080 is an abundant number, since it is smaller than the sum of its proper divisors (117900160).

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

82902080 is a wasteful number, since it uses less digits than its factorization.

82902080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467 (or 4457 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 82902080 is about 9105.0579350161. The cubic root of 82902080 is about 436.0354598997.

The spelling of 82902080 in words is "eighty-two million, nine hundred two thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 59 64 80 118 160 236 295 320 472 590 944 1180 1888 2360 3776 4391 4720 8782 9440 17564 18880 21955 35128 43910 70256 87820 140512 175640 259069 281024 351280 518138 702560 1036276 1295345 1405120 2072552 2590690 4145104 5181380 8290208 10362760 16580416 20725520 41451040 82902080