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23413887 = 33743267
BaseRepresentation
bin101100101010…
…0010001111111
31122001112211000
41121110101333
521443221022
62153501343
7403005030
oct131242177
948045730
1023413887
1112242222
127a11853
134b0a293
143176a87
1520c76ac
hex165447f

23413887 has 48 divisors (see below), whose sum is σ = 41191680. Its totient is φ = 12873168.

The previous prime is 23413867. The next prime is 23413889. The reversal of 23413887 is 78831432.

It is not a de Polignac number, because 23413887 - 214 = 23397503 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23413889) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 349428 + ... + 349494.

It is an arithmetic number, because the mean of its divisors is an integer number (858160).

Almost surely, 223413887 is an apocalyptic number.

23413887 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

23413887 is a deficient number, since it is larger than the sum of its proper divisors (17777793).

23413887 is an equidigital number, since it uses as much as digits as its factorization.

23413887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 120 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 23413887 is about 4838.7898280459. The cubic root of 23413887 is about 286.0824211894.

The spelling of 23413887 in words is "twenty-three million, four hundred thirteen thousand, eight hundred eighty-seven".

Divisors: 1 3 7 9 21 27 43 63 67 129 189 201 301 387 469 603 903 1161 1407 1809 1849 2709 2881 4221 5547 8127 8643 12663 12943 16641 20167 25929 38829 49923 60501 77787 116487 123883 181503 349461 371649 544509 867181 1114947 2601543 3344841 7804629 23413887