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23032245 = 3510914087
BaseRepresentation
bin101011111011…
…1000110110101
31121100011022010
41113313012311
521344012440
62141354433
7366525255
oct127670665
947304263
1023032245
1112001515
127868a19
134a05662
1430b7965
15204e580
hex15f71b5

23032245 has 16 divisors (see below), whose sum is σ = 37192320. Its totient is φ = 12170304.

The previous prime is 23032231. The next prime is 23032253. The reversal of 23032245 is 54223032.

It is not a de Polignac number, because 23032245 - 211 = 23030197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5409 + ... + 8678.

It is an arithmetic number, because the mean of its divisors is an integer number (2324520).

Almost surely, 223032245 is an apocalyptic number.

It is an amenable number.

23032245 is a deficient number, since it is larger than the sum of its proper divisors (14160075).

23032245 is a wasteful number, since it uses less digits than its factorization.

23032245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14204.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 23032245 is about 4799.1921195134. The cubic root of 23032245 is about 284.5195351891.

Adding to 23032245 its reverse (54223032), we get a palindrome (77255277).

The spelling of 23032245 in words is "twenty-three million, thirty-two thousand, two hundred forty-five".

Divisors: 1 3 5 15 109 327 545 1635 14087 42261 70435 211305 1535483 4606449 7677415 23032245