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230154524 = 22193028349
BaseRepresentation
bin11011011011111…
…10000100011100
3121001002001122122
431231332010130
5432404421044
634501002112
75463165305
oct1555760434
9531061578
10230154524
11108a09556
12650b3338
13388b4712
14227d17ac
1515313dee
hexdb7e11c

230154524 has 12 divisors (see below), whose sum is σ = 423969000. Its totient is φ = 109020528.

The previous prime is 230154511. The next prime is 230154563. The reversal of 230154524 is 425451032.

It is a happy number.

230154524 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2301545242 = 105942209835333152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230154493 and 230154502.

It is a congruent number.

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, 1514099 + ... + 1514250.

It is an arithmetic number, because the mean of its divisors is an integer number (35330750).

Almost surely, 2230154524 is an apocalyptic number.

It is an amenable number.

230154524 is a deficient number, since it is larger than the sum of its proper divisors (193814476).

230154524 is a wasteful number, since it uses less digits than its factorization.

230154524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028372 (or 3028370 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 230154524 is about 15170.8445381264. The cubic root of 230154524 is about 612.8297479747.

The spelling of 230154524 in words is "two hundred thirty million, one hundred fifty-four thousand, five hundred twenty-four".

Divisors: 1 2 4 19 38 76 3028349 6056698 12113396 57538631 115077262 230154524