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52173407 = 11132329547
BaseRepresentation
bin1100011100000…
…1101001011111
310122011200110102
43013001221133
5101324022112
65102131315
71202316026
oct307015137
9118150412
1052173407
11274a5720
1215580b3b
13aa69750
146d018bd
1548a8bc2
hex31c1a5f

52173407 has 32 divisors (see below), whose sum is σ = 66286080. Its totient is φ = 40360320.

The previous prime is 52173397. The next prime is 52173413. The reversal of 52173407 is 70437125.

It is not a de Polignac number, because 52173407 - 214 = 52157023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 52173407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52173437) 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, 95108 + ... + 95654.

It is an arithmetic number, because the mean of its divisors is an integer number (2071440).

Almost surely, 252173407 is an apocalyptic number.

52173407 is a deficient number, since it is larger than the sum of its proper divisors (14112673).

52173407 is a wasteful number, since it uses less digits than its factorization.

52173407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 52173407 is about 7223.1161557876. The cubic root of 52173407 is about 373.6655550580.

The spelling of 52173407 in words is "fifty-two million, one hundred seventy-three thousand, four hundred seven".

Divisors: 1 11 13 23 29 143 253 299 319 377 547 667 3289 4147 6017 7111 7337 8671 12581 15863 78221 95381 138391 163553 174493 206219 364849 1799083 2268409 4013339 4743037 52173407