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152326820 = 22567311317
BaseRepresentation
bin10010001010001…
…01001010100100
3101121122000010002
421011011022210
5302443424240
623040520432
73526520342
oct1105051244
9347560102
10152326820
1178a91438
1243020118
1325735019
1416332992
15d58dd15
hex91452a4

152326820 has 24 divisors (see below), whose sum is σ = 320389944. Its totient is φ = 60834816.

The previous prime is 152326807. The next prime is 152326831. The reversal of 152326820 is 28623251.

It can be written as a sum of positive squares in 4 ways, for example, as 40475044 + 111851776 = 6362^2 + 10576^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7802 + ... + 19118.

It is an arithmetic number, because the mean of its divisors is an integer number (13349581).

Almost surely, 2152326820 is an apocalyptic number.

152326820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152326820 is an abundant number, since it is smaller than the sum of its proper divisors (168063124).

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

152326820 is a wasteful number, since it uses less digits than its factorization.

152326820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11999 (or 11997 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 152326820 is about 12342.0751901777. The cubic root of 152326820 is about 534.0625502437.

The spelling of 152326820 in words is "one hundred fifty-two million, three hundred twenty-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 673 1346 2692 3365 6730 11317 13460 22634 45268 56585 113170 226340 7616341 15232682 30465364 38081705 76163410 152326820