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52478358 = 2337972437
BaseRepresentation
bin1100100000110…
…0000110010110
310122202011202220
43020030012112
5101413301413
65112443210
71205026062
oct310140626
9118664686
1052478358
1127693849
12156a9506
13ab454aa
146d80aa2
154919223
hex320c196

52478358 has 32 divisors (see below), whose sum is σ = 108949344. Its totient is φ = 16837632.

The previous prime is 52478347. The next prime is 52478359. The reversal of 52478358 is 85387425.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52478359) 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, 20316 + ... + 22752.

It is an arithmetic number, because the mean of its divisors is an integer number (3404667).

Almost surely, 252478358 is an apocalyptic number.

52478358 is an abundant number, since it is smaller than the sum of its proper divisors (56470986).

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

52478358 is a wasteful number, since it uses less digits than its factorization.

52478358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576.

The product of its digits is 268800, while the sum is 42.

The square root of 52478358 is about 7244.1947792698. The cubic root of 52478358 is about 374.3921601699.

The spelling of 52478358 in words is "fifty-two million, four hundred seventy-eight thousand, three hundred fifty-eight".

Divisors: 1 2 3 6 37 74 97 111 194 222 291 582 2437 3589 4874 7178 7311 10767 14622 21534 90169 180338 236389 270507 472778 541014 709167 1418334 8746393 17492786 26239179 52478358