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80620002 = 2331978577
BaseRepresentation
bin1001100111000…
…10100111100010
312121200220212000
410303202213202
5131114320002
611555544430
71666154511
oct463424742
9177626760
1080620002
1141565001
1222bbb116
1313919658
14a9c8678
15712761c
hex4ce29e2

80620002 has 32 divisors (see below), whose sum is σ = 188587200. Its totient is φ = 25458624.

The previous prime is 80619953. The next prime is 80620031. The reversal of 80620002 is 20002608.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38263 + ... + 40314.

It is an arithmetic number, because the mean of its divisors is an integer number (5893350).

Almost surely, 280620002 is an apocalyptic number.

80620002 is an abundant number, since it is smaller than the sum of its proper divisors (107967198).

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

80620002 is a wasteful number, since it uses less digits than its factorization.

80620002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78607 (or 78601 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 80620002 is about 8978.8641820667. The cubic root of 80620002 is about 431.9972029140.

The spelling of 80620002 in words is "eighty million, six hundred twenty thousand, two".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 114 171 342 513 1026 78577 157154 235731 471462 707193 1414386 1492963 2121579 2985926 4243158 4478889 8957778 13436667 26873334 40310001 80620002