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52239741 = 371245257
BaseRepresentation
bin1100011101000…
…1110101111101
310122022001110020
43013101311331
5101333132431
65103402353
71203013311
oct307216575
9118261406
1052239741
1127540544
12155b33b9
13aa909b8
146d1bb41
1548bd696
hex31d1d7d

52239741 has 8 divisors (see below), whose sum is σ = 70634304. Its totient is φ = 34335840.

The previous prime is 52239713. The next prime is 52239763. The reversal of 52239741 is 14793225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52239741 - 27 = 52239613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52239791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122416 + ... + 122841.

It is an arithmetic number, because the mean of its divisors is an integer number (8829288).

Almost surely, 252239741 is an apocalyptic number.

It is an amenable number.

52239741 is a deficient number, since it is larger than the sum of its proper divisors (18394563).

52239741 is a wasteful number, since it uses less digits than its factorization.

52239741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245331.

The product of its digits is 15120, while the sum is 33.

The square root of 52239741 is about 7227.7064826956. The cubic root of 52239741 is about 373.8238491969.

The spelling of 52239741 in words is "fifty-two million, two hundred thirty-nine thousand, seven hundred forty-one".

Divisors: 1 3 71 213 245257 735771 17413247 52239741