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230153874 = 2338358979
BaseRepresentation
bin11011011011111…
…01111010010010
3121001002000202120
431231331322102
5432404410444
634500555110
75463163356
oct1555757222
9531060676
10230153874
11108a09015
12650b2a96
13388b4332
14227d1466
1515313b19
hexdb7de92

230153874 has 8 divisors (see below), whose sum is σ = 460307760. Its totient is φ = 76717956.

The previous prime is 230153873. The next prime is 230153879. The reversal of 230153874 is 478351032.

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

230153874 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (230153873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19179484 + ... + 19179495.

It is an arithmetic number, because the mean of its divisors is an integer number (57538470).

Almost surely, 2230153874 is an apocalyptic number.

230153874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

230153874 is a wasteful number, since it uses less digits than its factorization.

230153874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38358984.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 230153874 is about 15170.8231154410. The cubic root of 230153874 is about 612.8291710584.

The spelling of 230153874 in words is "two hundred thirty million, one hundred fifty-three thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 38358979 76717958 115076937 230153874