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23541057 = 3319109421
BaseRepresentation
bin101100111001…
…1010101000001
31122022000021000
41121303111001
522011303212
62200322213
7404044551
oct131632501
948260230
1023541057
1112319821
127a73369
134b53127
1431ab161
1521001dc
hex1673541

23541057 has 32 divisors (see below), whose sum is σ = 37136000. Its totient is φ = 14696640.

The previous prime is 23541047. The next prime is 23541061. The reversal of 23541057 is 75014532.

It is a happy number.

It is not a de Polignac number, because 23541057 - 214 = 23524673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23541057.

It is not an unprimeable number, because it can be changed into a prime (23541017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55707 + ... + 56127.

It is an arithmetic number, because the mean of its divisors is an integer number (1160500).

Almost surely, 223541057 is an apocalyptic number.

23541057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

23541057 is a deficient number, since it is larger than the sum of its proper divisors (13594943).

23541057 is a wasteful number, since it uses less digits than its factorization.

23541057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 23541057 is about 4851.9127156205. The cubic root of 23541057 is about 286.5994282240.

Adding to 23541057 its reverse (75014532), we get a palindrome (98555589).

The spelling of 23541057 in words is "twenty-three million, five hundred forty-one thousand, fifty-seven".

Divisors: 1 3 9 19 27 57 109 171 327 421 513 981 1263 2071 2943 3789 6213 7999 11367 18639 23997 45889 55917 71991 137667 215973 413001 871891 1239003 2615673 7847019 23541057