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84032928 = 2532773571
BaseRepresentation
bin1010000001000…
…11110110100000
312212010022111200
411000203312200
5133003023203
612201041200
72040160650
oct500436640
9185108450
1084032928
1143486201
1224186200
1314542c35
14b236360
15759d9a3
hex5023da0

84032928 has 144 divisors (see below), whose sum is σ = 277333056. Its totient is φ = 23639040.

The previous prime is 84032917. The next prime is 84032983. The reversal of 84032928 is 82923048.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a junction number, because it is equal to n+sod(n) for n = 84032892 and 84032901.

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, 146883 + ... + 147453.

It is an arithmetic number, because the mean of its divisors is an integer number (1925924).

Almost surely, 284032928 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 84032928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138666528).

84032928 is an abundant number, since it is smaller than the sum of its proper divisors (193300128).

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

84032928 is a wasteful number, since it uses less digits than its factorization.

84032928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 84032928 is about 9166.9475835744. The cubic root of 84032928 is about 438.0091322297.

The spelling of 84032928 in words is "eighty-four million, thirty-two thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 73 84 96 112 126 144 146 168 219 224 252 288 292 336 438 504 511 571 584 657 672 876 1008 1022 1142 1168 1314 1533 1713 1752 2016 2044 2284 2336 2628 3066 3426 3504 3997 4088 4568 4599 5139 5256 6132 6852 7008 7994 8176 9136 9198 10278 10512 11991 12264 13704 15988 16352 18272 18396 20556 21024 23982 24528 27408 31976 35973 36792 41112 41683 47964 49056 54816 63952 71946 73584 82224 83366 95928 125049 127904 143892 147168 164448 166732 191856 250098 287784 291781 333464 375147 383712 500196 575568 583562 666928 750294 875343 1000392 1151136 1167124 1333856 1500588 1750686 2000784 2334248 2626029 3001176 3501372 4001568 4668496 5252058 6002352 7002744 9336992 10504116 12004704 14005488 21008232 28010976 42016464 84032928