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153045250 = 253612181
BaseRepresentation
bin10010001111101…
…00100100000010
3101122222111121121
421013310210002
5303134422000
623104142454
73535602031
oct1107644402
9348874547
10153045250
1179432186
1243307a2a
1325927027
141647c718
15d681b1a
hex91f4902

153045250 has 16 divisors (see below), whose sum is σ = 286501176. Its totient is φ = 61218000.

The previous prime is 153045241. The next prime is 153045281. The reversal of 153045250 is 52540351.

It can be written as a sum of positive squares in 4 ways, for example, as 66536649 + 86508601 = 8157^2 + 9301^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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 7 ways as a sum of consecutive naturals, for example, 305841 + ... + 306340.

Almost surely, 2153045250 is an apocalyptic number.

153045250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153045250 is a deficient number, since it is larger than the sum of its proper divisors (133455926).

153045250 is an equidigital number, since it uses as much as digits as its factorization.

153045250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612198 (or 612188 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 153045250 is about 12371.1458644703. The cubic root of 153045250 is about 534.9008463289.

The spelling of 153045250 in words is "one hundred fifty-three million, forty-five thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 612181 1224362 3060905 6121810 15304525 30609050 76522625 153045250