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145527810 = 23512593853
BaseRepresentation
bin10001010110010…
…01010000000010
3101010211120121220
420223021100002
5244223342220
622235055510
73414652221
oct1053112002
9333746556
10145527810
117516821a
12408a1596
13241c443c
1415482cb8
15cb99540
hex8ac9402

145527810 has 32 divisors (see below), whose sum is σ = 349634880. Its totient is φ = 38766528.

The previous prime is 145527799. The next prime is 145527847. The reversal of 145527810 is 18725541.

It is a super-2 number, since 2×1455278102 = 42356686966792200, which contains 22 as substring.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35844 + ... + 39696.

It is an arithmetic number, because the mean of its divisors is an integer number (10926090).

Almost surely, 2145527810 is an apocalyptic number.

145527810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145527810 is an abundant number, since it is smaller than the sum of its proper divisors (204107070).

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

145527810 is a wasteful number, since it uses less digits than its factorization.

145527810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 145527810 is about 12063.4907883249. The cubic root of 145527810 is about 525.9954627645.

The spelling of 145527810 in words is "one hundred forty-five million, five hundred twenty-seven thousand, eight hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1259 2518 3777 3853 6295 7554 7706 11559 12590 18885 19265 23118 37770 38530 57795 115590 4850927 9701854 14552781 24254635 29105562 48509270 72763905 145527810