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928154140 = 225438313003
BaseRepresentation
bin110111010100101…
…000001000011100
32101200111010010021
4313110220020130
53400101413030
6232033321524
732000115514
oct6724501034
92350433107
10928154140
11436a11a41
1221aa062a4
1311a3a3444
148b3a8844
155673d97a
hex3752821c

928154140 has 48 divisors (see below), whose sum is σ = 2018636928. Its totient is φ = 358231104.

The previous prime is 928154107. The next prime is 928154153. The reversal of 928154140 is 41451829.

It is a happy number.

It is a super-2 number, since 2×9281541402 = 1722940215198279200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 928154096 and 928154105.

It is a congruent number.

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, 64879 + ... + 77881.

It is an arithmetic number, because the mean of its divisors is an integer number (42054936).

Almost surely, 2928154140 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 928154140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009318464).

928154140 is an abundant number, since it is smaller than the sum of its proper divisors (1090482788).

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

928154140 is a wasteful number, since it uses less digits than its factorization.

928154140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13138 (or 13136 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 928154140 is about 30465.6222651040. The cubic root of 928154140 is about 975.4537935798.

The spelling of 928154140 in words is "nine hundred twenty-eight million, one hundred fifty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 43 83 86 166 172 215 332 415 430 830 860 1660 3569 7138 13003 14276 17845 26006 35690 52012 65015 71380 130030 260060 559129 1079249 1118258 2158498 2236516 2795645 4316996 5396245 5591290 10792490 11182580 21584980 46407707 92815414 185630828 232038535 464077070 928154140