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52970742 = 232111715737
BaseRepresentation
bin1100101000010…
…0010011110110
310200200012012100
43022010103312
5102030030432
65131202530
71212146436
oct312042366
9120605170
1052970742
112799a780
12158a6446
13ac88646
14706c2c6
1549b507c
hex32844f6

52970742 has 48 divisors (see below), whose sum is σ = 132576912. Its totient is φ = 15106560.

The previous prime is 52970741. The next prime is 52970747. The reversal of 52970742 is 24707925.

It is a junction number, because it is equal to n+sod(n) for n = 52970697 and 52970706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52970741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4503 + ... + 11234.

It is an arithmetic number, because the mean of its divisors is an integer number (2762019).

Almost surely, 252970742 is an apocalyptic number.

52970742 is an abundant number, since it is smaller than the sum of its proper divisors (79606170).

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

52970742 is a wasteful number, since it uses less digits than its factorization.

52970742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15773 (or 15770 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 52970742 is about 7278.1001641912. The cubic root of 52970742 is about 375.5594423164.

The spelling of 52970742 in words is "fifty-two million, nine hundred seventy thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 11 17 18 22 33 34 51 66 99 102 153 187 198 306 374 561 1122 1683 3366 15737 31474 47211 94422 141633 173107 267529 283266 346214 519321 535058 802587 1038642 1557963 1605174 2407761 2942819 3115926 4815522 5885638 8828457 17656914 26485371 52970742