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23409701 = 72643743
BaseRepresentation
bin101100101001…
…1010000100101
31122001100001222
41121103100211
521443102301
62153430125
7402656600
oct131232045
948040058
1023409701
111223a067
127a0b345
134b083c3
143175337
1520c631b
hex1653425

23409701 has 12 divisors (see below), whose sum is σ = 27310752. Its totient is φ = 20007288.

The previous prime is 23409667. The next prime is 23409719. The reversal of 23409701 is 10790432.

It is not a de Polignac number, because 23409701 - 222 = 19215397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23409721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31136 + ... + 31878.

It is an arithmetic number, because the mean of its divisors is an integer number (2275896).

Almost surely, 223409701 is an apocalyptic number.

It is an amenable number.

23409701 is a deficient number, since it is larger than the sum of its proper divisors (3901051).

23409701 is an equidigital number, since it uses as much as digits as its factorization.

23409701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 23409701 is about 4838.3572625427. The cubic root of 23409701 is about 286.0653713023.

The spelling of 23409701 in words is "twenty-three million, four hundred nine thousand, seven hundred one".

Divisors: 1 7 49 643 743 4501 5201 31507 36407 477749 3344243 23409701