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230250153 = 3710964293
BaseRepresentation
bin11011011100101…
…01011010101001
3121001020220211110
431232111122221
5432421001103
634503020533
75464044150
oct1556253251
9531226743
10230250153
11108a74391
126513a749
13389190c3
1422818597
1515332403
hexdb956a9

230250153 has 8 divisors (see below), whose sum is σ = 350857408. Its totient is φ = 131571504.

The previous prime is 230250143. The next prime is 230250157. The reversal of 230250153 is 351052032.

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

It is not a de Polignac number, because 230250153 - 212 = 230246057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10964293 = 230250153 / (2 + 3 + 0 + 2 + 5 + 0 + 1 + 5 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230250157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5482126 + ... + 5482167.

It is an arithmetic number, because the mean of its divisors is an integer number (43857176).

Almost surely, 2230250153 is an apocalyptic number.

It is an amenable number.

230250153 is a deficient number, since it is larger than the sum of its proper divisors (120607255).

230250153 is a wasteful number, since it uses less digits than its factorization.

230250153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10964303.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 230250153 is about 15173.9959470141. The cubic root of 230250153 is about 612.9146129604.

The spelling of 230250153 in words is "two hundred thirty million, two hundred fifty thousand, one hundred fifty-three".

Divisors: 1 3 7 21 10964293 32892879 76750051 230250153