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52563378 = 237325541
BaseRepresentation
bin1100100010000…
…0110110110010
310122220111101210
43020200312302
5101424012003
65114340550
71205532000
oct310406662
9118814353
1052563378
112774170a
121572a756
13ab750ba
146da3a70
154934503
hex3220db2

52563378 has 32 divisors (see below), whose sum is σ = 122601600. Its totient is φ = 15017520.

The previous prime is 52563377. The next prime is 52563389. The reversal of 52563378 is 87336525.

It is not an unprimeable number, because it can be changed into a prime (52563373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10713 + ... + 14828.

It is an arithmetic number, because the mean of its divisors is an integer number (3831300).

Almost surely, 252563378 is an apocalyptic number.

52563378 is an abundant number, since it is smaller than the sum of its proper divisors (70038222).

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

52563378 is a wasteful number, since it uses less digits than its factorization.

52563378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25567 (or 25553 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 52563378 is about 7250.0605514713. The cubic root of 52563378 is about 374.5942348819.

It can be divided in two parts, 525 and 63378, that added together give a triangular number (63903 = T357).

The spelling of 52563378 in words is "fifty-two million, five hundred sixty-three thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 343 686 1029 2058 25541 51082 76623 153246 178787 357574 536361 1072722 1251509 2503018 3754527 7509054 8760563 17521126 26281689 52563378