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23052630 = 2353072503
BaseRepresentation
bin101011111110…
…0000101010110
31121101012021010
41113330011112
521400141010
62142033050
7366641556
oct127740526
947335233
1023052630
1112015867
127878786
134a11a13
1430c1166
152055620
hex15fc156

23052630 has 32 divisors (see below), whose sum is σ = 55528704. Its totient is φ = 6124896.

The previous prime is 23052613. The next prime is 23052637. The reversal of 23052630 is 3625032.

It is a junction number, because it is equal to n+sod(n) for n = 23052597 and 23052606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23052637) 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, 7959 + ... + 10461.

It is an arithmetic number, because the mean of its divisors is an integer number (1735272).

Almost surely, 223052630 is an apocalyptic number.

23052630 is an abundant number, since it is smaller than the sum of its proper divisors (32476074).

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

23052630 is a wasteful number, since it uses less digits than its factorization.

23052630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 23052630 is about 4801.3154447505. The cubic root of 23052630 is about 284.6034497252.

Adding to 23052630 its reverse (3625032), we get a palindrome (26677662).

The spelling of 23052630 in words is "twenty-three million, fifty-two thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 307 614 921 1535 1842 2503 3070 4605 5006 7509 9210 12515 15018 25030 37545 75090 768421 1536842 2305263 3842105 4610526 7684210 11526315 23052630