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52277892 = 22319376197
BaseRepresentation
bin1100011101101…
…1001010000100
310122100222210020
43013123022010
5101340343032
65104255140
71203232452
oct307331204
9118328706
1052277892
1127567177
12156114b0
13aaa5184
146d2b9d2
1548c9b2c
hex31db284

52277892 has 48 divisors (see below), whose sum is σ = 131893440. Its totient is φ = 16060032.

The previous prime is 52277887. The next prime is 52277909. The reversal of 52277892 is 29877225.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5338 + ... + 11534.

It is an arithmetic number, because the mean of its divisors is an integer number (2747780).

Almost surely, 252277892 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 52277892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65946720).

52277892 is an abundant number, since it is smaller than the sum of its proper divisors (79615548).

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

52277892 is a wasteful number, since it uses less digits than its factorization.

52277892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260 (or 6258 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 52277892 is about 7230.3452199739. The cubic root of 52277892 is about 373.9148289950.

The spelling of 52277892 in words is "fifty-two million, two hundred seventy-seven thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 19 37 38 57 74 76 111 114 148 222 228 444 703 1406 2109 2812 4218 6197 8436 12394 18591 24788 37182 74364 117743 229289 235486 353229 458578 470972 687867 706458 917156 1375734 1412916 2751468 4356491 8712982 13069473 17425964 26138946 52277892