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23013030 = 235767101
BaseRepresentation
bin101011111001…
…0011010100110
31121022011221110
41113302122212
521342404110
62141125450
7366415245
oct127623246
947264843
1023013030
1111a99037
127859886
1349c99a1
1430b095c
152048a20
hex15f26a6

23013030 has 16 divisors (see below), whose sum is σ = 55231344. Its totient is φ = 6136800.

The previous prime is 23013007. The next prime is 23013059. The reversal of 23013030 is 3031032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23012997 and 23013015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383521 + ... + 383580.

It is an arithmetic number, because the mean of its divisors is an integer number (3451959).

Almost surely, 223013030 is an apocalyptic number.

23013030 is an abundant number, since it is smaller than the sum of its proper divisors (32218314).

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

23013030 is a wasteful number, since it uses less digits than its factorization.

23013030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767111.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 23013030 is about 4797.1898023739. The cubic root of 23013030 is about 284.4403915958.

Adding to 23013030 its reverse (3031032), we get a palindrome (26044062).

The spelling of 23013030 in words is "twenty-three million, thirteen thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 767101 1534202 2301303 3835505 4602606 7671010 11506515 23013030