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82117632 = 210326731
BaseRepresentation
bin1001110010100…
…00010000000000
312201112000012210
410321100100000
5132010231012
612052022120
72014663002
oct471202000
9181460183
1082117632
1142398213
1223601940
131402221c
14ac98372
15732123c
hex4e50400

82117632 has 44 divisors (see below), whose sum is σ = 218881616. Its totient is φ = 27371520.

The previous prime is 82117621. The next prime is 82117643. The reversal of 82117632 is 23671128.

It is an interprime number because it is at equal distance from previous prime (82117621) and next prime (82117643).

It is a self number, because there is not a number n which added to its sum of digits gives 82117632.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10294 + ... + 16437.

Almost surely, 282117632 is an apocalyptic number.

It is an amenable number.

82117632 is an abundant number, since it is smaller than the sum of its proper divisors (136763984).

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

82117632 is a wasteful number, since it uses less digits than its factorization.

82117632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26754 (or 26736 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 82117632 is about 9061.8779510651. The cubic root of 82117632 is about 434.6557932384.

The spelling of 82117632 in words is "eighty-two million, one hundred seventeen thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 3072 26731 53462 80193 106924 160386 213848 320772 427696 641544 855392 1283088 1710784 2566176 3421568 5132352 6843136 10264704 13686272 20529408 27372544 41058816 82117632