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52106742 = 2324017219
BaseRepresentation
bin1100011011000…
…1010111110110
310122001022000100
43012301113312
5101314403432
65100454530
71201620462
oct306612766
9118038010
1052106742
112745a626
121554a446
13aa452bc
146cc54a2
15489407c
hex31b15f6

52106742 has 24 divisors (see below), whose sum is σ = 113195160. Its totient is φ = 17323200.

The previous prime is 52106731. The next prime is 52106783. The reversal of 52106742 is 24760125.

It is a super-2 number, since 2×521067422 = 5430225123709128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3609 + ... + 10827.

It is an arithmetic number, because the mean of its divisors is an integer number (4716465).

Almost surely, 252106742 is an apocalyptic number.

It is a pronic number, being equal to 7218×7219.

52106742 is an abundant number, since it is smaller than the sum of its proper divisors (61088418).

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

52106742 is a wasteful number, since it uses less digits than its factorization.

52106742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7628 (or 7625 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 52106742 is about 7218.4999826834. The cubic root of 52106742 is about 373.5063358118.

Adding to 52106742 its reverse (24760125), we get a palindrome (76866867).

The spelling of 52106742 in words is "fifty-two million, one hundred six thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 401 802 1203 2406 3609 7218 7219 14438 21657 43314 64971 129942 2894819 5789638 8684457 17368914 26053371 52106742