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52457704 = 23133153307
BaseRepresentation
bin1100100000011…
…1000011101000
310122201010102221
43020013003220
5101412121304
65112203424
71204611625
oct310070350
9118633387
1052457704
112767a282
1215699574
13ab38c80
146d7734c
154913054
hex32070e8

52457704 has 64 divisors (see below), whose sum is σ = 111767040. Its totient is φ = 22913280.

The previous prime is 52457701. The next prime is 52457707. The reversal of 52457704 is 40775425.

It is an interprime number because it is at equal distance from previous prime (52457701) and next prime (52457707).

It is a self number, because there is not a number n which added to its sum of digits gives 52457704.

It is not an unprimeable number, because it can be changed into a prime (52457701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170719 + ... + 171025.

It is an arithmetic number, because the mean of its divisors is an integer number (1746360).

Almost surely, 252457704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52457704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55883520).

52457704 is an abundant number, since it is smaller than the sum of its proper divisors (59309336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52457704 is a wasteful number, since it uses less digits than its factorization.

52457704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 52457704 is about 7242.7690837138. The cubic root of 52457704 is about 374.3430369970.

The spelling of 52457704 in words is "fifty-two million, four hundred fifty-seven thousand, seven hundred four".

Divisors: 1 2 4 8 13 26 31 52 53 62 104 106 124 212 248 307 403 424 614 689 806 1228 1378 1612 1643 2456 2756 3224 3286 3991 5512 6572 7982 9517 13144 15964 16271 19034 21359 31928 32542 38068 42718 65084 76136 85436 123721 130168 170872 211523 247442 423046 494884 504401 846092 989768 1008802 1692184 2017604 4035208 6557213 13114426 26228852 52457704