Search a number
-
+
23503053 = 373179457
BaseRepresentation
bin101100110101…
…0000011001101
31122020002010110
41121222003031
522004044203
62155430233
7403526010
oct131520315
948202113
1023503053
11122a3212
127a55379
134b3ba42
14319b377
1520e3d03
hex166a0cd

23503053 has 32 divisors (see below), whose sum is σ = 37519360. Its totient is φ = 12804480.

The previous prime is 23503013. The next prime is 23503087. The reversal of 23503053 is 35030532.

It is not a de Polignac number, because 23503053 - 26 = 23502989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23503013) 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, 51201 + ... + 51657.

It is an arithmetic number, because the mean of its divisors is an integer number (1172480).

Almost surely, 223503053 is an apocalyptic number.

It is an amenable number.

23503053 is a deficient number, since it is larger than the sum of its proper divisors (14016307).

23503053 is a wasteful number, since it uses less digits than its factorization.

23503053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 23503053 is about 4847.9947400962. The cubic root of 23503053 is about 286.4451192206.

Adding to 23503053 its reverse (35030532), we get a palindrome (58533585).

The spelling of 23503053 in words is "twenty-three million, five hundred three thousand, fifty-three".

Divisors: 1 3 7 21 31 79 93 217 237 457 553 651 1371 1659 2449 3199 7347 9597 14167 17143 36103 42501 51429 99169 108309 252721 297507 758163 1119193 3357579 7834351 23503053