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52146556 = 22711169307
BaseRepresentation
bin1100011011101…
…1000101111100
310122010022121221
43012323011330
5101322142211
65101403124
71202144530
oct306730574
9118108557
1052146556
1127487530
12155694a4
13aa5a467
146cd5bc0
1548a0c71
hex31bb17c

52146556 has 24 divisors (see below), whose sum is σ = 113774976. Its totient is φ = 20316720.

The previous prime is 52146539. The next prime is 52146571. The reversal of 52146556 is 65564125.

It is a super-2 number, since 2×521465562 = 5438526605322272, 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 7 ways as a sum of consecutive naturals, for example, 84346 + ... + 84961.

It is an arithmetic number, because the mean of its divisors is an integer number (4740624).

Almost surely, 252146556 is an apocalyptic number.

It is an amenable number.

52146556 is an abundant number, since it is smaller than the sum of its proper divisors (61628420).

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

52146556 is a wasteful number, since it uses less digits than its factorization.

52146556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169329 (or 169327 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 52146556 is about 7221.2572312583. The cubic root of 52146556 is about 373.6014418370.

Subtracting 52146556 from its reverse (65564125), we obtain a square (13417569 = 36632).

The spelling of 52146556 in words is "fifty-two million, one hundred forty-six thousand, five hundred fifty-six".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 169307 338614 677228 1185149 1862377 2370298 3724754 4740596 7449508 13036639 26073278 52146556