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23006451 = 3132632243
BaseRepresentation
bin101011111000…
…0110011110011
31121021211220210
41113300303303
521342201301
62141035203
7366360126
oct127606363
947254823
1023006451
1111a940a6
127855b03
1349c69b0
1430ac3bd
152046ad6
hex15f0cf3

23006451 has 16 divisors (see below), whose sum is σ = 33175296. Its totient is φ = 14097696.

The previous prime is 23006449. The next prime is 23006471. The reversal of 23006451 is 15460032.

It is a happy number.

It is not a de Polignac number, because 23006451 - 21 = 23006449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23006441) 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, 9136 + ... + 11378.

It is an arithmetic number, because the mean of its divisors is an integer number (2073456).

Almost surely, 223006451 is an apocalyptic number.

23006451 is a deficient number, since it is larger than the sum of its proper divisors (10168845).

23006451 is a wasteful number, since it uses less digits than its factorization.

23006451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 23006451 is about 4796.5040394020. The cubic root of 23006451 is about 284.4132835952.

Adding to 23006451 its reverse (15460032), we get a palindrome (38466483).

The spelling of 23006451 in words is "twenty-three million, six thousand, four hundred fifty-one".

Divisors: 1 3 13 39 263 789 2243 3419 6729 10257 29159 87477 589909 1769727 7668817 23006451