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230152054 = 211191374019
BaseRepresentation
bin11011011011111…
…01011101110110
3121001001221021011
431231331131312
5432404331204
634500542434
75463155146
oct1555753566
9531057234
10230152054
11108a07710
12650b1a1a
13388b3562
14227d0926
1515313304
hexdb7d776

230152054 has 32 divisors (see below), whose sum is σ = 399427200. Its totient is φ = 98360640.

The previous prime is 230152051. The next prime is 230152063. The reversal of 230152054 is 450251032.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230152051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55257 + ... + 59275.

It is an arithmetic number, because the mean of its divisors is an integer number (12482100).

Almost surely, 2230152054 is an apocalyptic number.

230152054 is a deficient number, since it is larger than the sum of its proper divisors (169275146).

230152054 is a wasteful number, since it uses less digits than its factorization.

230152054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 230152054 is about 15170.7631317610. The cubic root of 230152054 is about 612.8275556869.

The spelling of 230152054 in words is "two hundred thirty million, one hundred fifty-two thousand, fifty-four".

Divisors: 1 2 11 19 22 38 137 209 274 418 1507 2603 3014 4019 5206 8038 28633 44209 57266 76361 88418 152722 550603 839971 1101206 1679942 6056633 10461457 12113266 20922914 115076027 230152054