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82407672 = 2333312397
BaseRepresentation
bin1001110100101…
…11000011111000
312202001202002000
410322113003320
5132044021142
612102141000
72020311414
oct472270370
9182052060
1082407672
1142576116
1223721760
13140c4249
14ad31d44
15737c14c
hex4e970f8

82407672 has 96 divisors (see below), whose sum is σ = 237128400. Its totient is φ = 26516160.

The previous prime is 82407667. The next prime is 82407707. The reversal of 82407672 is 27670428.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207378 + ... + 207774.

Almost surely, 282407672 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 82407672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118564200).

82407672 is an abundant number, since it is smaller than the sum of its proper divisors (154720728).

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

82407672 is a wasteful number, since it uses less digits than its factorization.

82407672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 82407672 is about 9077.8671503828. The cubic root of 82407672 is about 435.1669276113.

The spelling of 82407672 in words is "eighty-two million, four hundred seven thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 31 36 54 62 72 93 108 124 186 216 248 279 372 397 558 744 794 837 961 1116 1191 1588 1674 1922 2232 2382 2883 3176 3348 3573 3844 4764 5766 6696 7146 7688 8649 9528 10719 11532 12307 14292 17298 21438 23064 24614 25947 28584 34596 36921 42876 49228 51894 69192 73842 85752 98456 103788 110763 147684 207576 221526 295368 332289 381517 443052 664578 763034 886104 1144551 1329156 1526068 2289102 2658312 3052136 3433653 4578204 6867306 9156408 10300959 13734612 20601918 27469224 41203836 82407672