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52378568 = 23114311381
BaseRepresentation
bin1100011111001…
…1101111001000
310122120002212222
43013303233020
5101402103233
65110353212
71204132124
oct307635710
9118502788
1052378568
1127625880
121565b808
13ab0bc48
146d56584
1548e9898
hex31f3bc8

52378568 has 32 divisors (see below), whose sum is σ = 107464320. Its totient is φ = 23736000.

The previous prime is 52378559. The next prime is 52378589. The reversal of 52378568 is 86587325.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 37238 + ... + 38618.

It is an arithmetic number, because the mean of its divisors is an integer number (3358260).

Almost surely, 252378568 is an apocalyptic number.

It is an amenable number.

52378568 is an abundant number, since it is smaller than the sum of its proper divisors (55085752).

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

52378568 is a wasteful number, since it uses less digits than its factorization.

52378568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829 (or 1825 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 52378568 is about 7237.3039178965. The cubic root of 52378568 is about 374.1547016498.

The spelling of 52378568 in words is "fifty-two million, three hundred seventy-eight thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 88 431 862 1381 1724 2762 3448 4741 5524 9482 11048 15191 18964 30382 37928 60764 121528 595211 1190422 2380844 4761688 6547321 13094642 26189284 52378568