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23201330 = 253174843
BaseRepresentation
bin101100010000…
…0011000110010
31121122202020112
41120200120302
521414420310
62145141322
7401131235
oct130403062
947582215
1023201330
1112107559
12792a842
134a645c9
14311d41c
152084705
hex1620632

23201330 has 16 divisors (see below), whose sum is σ = 43110144. Its totient is φ = 8981040.

The previous prime is 23201329. The next prime is 23201341. The reversal of 23201330 is 3310232.

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, 37112 + ... + 37731.

It is an arithmetic number, because the mean of its divisors is an integer number (2694384).

Almost surely, 223201330 is an apocalyptic number.

23201330 is a deficient number, since it is larger than the sum of its proper divisors (19908814).

23201330 is a wasteful number, since it uses less digits than its factorization.

23201330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74881.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 23201330 is about 4816.7758926485. The cubic root of 23201330 is about 285.2140794318.

Adding to 23201330 its reverse (3310232), we get a palindrome (26511562).

The spelling of 23201330 in words is "twenty-three million, two hundred one thousand, three hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 74843 149686 374215 748430 2320133 4640266 11600665 23201330