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145843250 = 253783339
BaseRepresentation
bin10001011000101…
…10010000110010
3101011102121022212
420230112100302
5244313441000
622245532122
73420434660
oct1054262062
9334377285
10145843250
1175363213
1240a14042
13242a4ba7
1415525c30
15cc0cc35
hex8b16432

145843250 has 32 divisors (see below), whose sum is σ = 312024960. Its totient is φ = 50002800.

The previous prime is 145843249. The next prime is 145843277. The reversal of 145843250 is 52348541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39920 + ... + 43419.

It is an arithmetic number, because the mean of its divisors is an integer number (9750780).

Almost surely, 2145843250 is an apocalyptic number.

145843250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145843250 is an abundant number, since it is smaller than the sum of its proper divisors (166181710).

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

145843250 is an equidigital number, since it uses as much as digits as its factorization.

145843250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83363 (or 83353 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 145843250 is about 12076.5578705192. The cubic root of 145843250 is about 526.3752304357.

The spelling of 145843250 in words is "one hundred forty-five million, eight hundred forty-three thousand, two hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 125 175 250 350 875 1750 83339 166678 416695 583373 833390 1166746 2083475 2916865 4166950 5833730 10417375 14584325 20834750 29168650 72921625 145843250