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153144730 = 2515314473
BaseRepresentation
bin10010010000011…
…00110110011010
3101200011120002001
421020030312122
5303201112410
623110231214
73536465044
oct1110146632
9350146061
10153144730
117949a9a2
124335550a
13259603ab
14164a6a94
15d6a133a
hex920cd9a

153144730 has 8 divisors (see below), whose sum is σ = 275660532. Its totient is φ = 61257888.

The previous prime is 153144727. The next prime is 153144749. The reversal of 153144730 is 37441351.

It can be written as a sum of positive squares in 2 ways, for example, as 152547201 + 597529 = 12351^2 + 773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7657227 + ... + 7657246.

Almost surely, 2153144730 is an apocalyptic number.

153144730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153144730 is a deficient number, since it is larger than the sum of its proper divisors (122515802).

153144730 is a wasteful number, since it uses less digits than its factorization.

153144730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15314480.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 153144730 is about 12375.1658574744. The cubic root of 153144730 is about 535.0167170949.

The spelling of 153144730 in words is "one hundred fifty-three million, one hundred forty-four thousand, seven hundred thirty".

Divisors: 1 2 5 10 15314473 30628946 76572365 153144730