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52400372 = 2233193947
BaseRepresentation
bin1100011111100…
…1000011110100
310122121012210112
43013321003310
5101403302442
65111042152
71204252523
oct307710364
9118535715
1052400372
11276401a2
1215670358
13ab18b4b
146d604ba
154901082
hex31f90f4

52400372 has 12 divisors (see below), whose sum is σ = 91751520. Its totient is φ = 26185656.

The previous prime is 52400363. The next prime is 52400401. The reversal of 52400372 is 27300425.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11303 + ... + 15249.

It is an arithmetic number, because the mean of its divisors is an integer number (7645960).

Almost surely, 252400372 is an apocalyptic number.

It is an amenable number.

52400372 is a deficient number, since it is larger than the sum of its proper divisors (39351148).

52400372 is a wasteful number, since it uses less digits than its factorization.

52400372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7270 (or 7268 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 52400372 is about 7238.8101232178. The cubic root of 52400372 is about 374.2066117961.

Adding to 52400372 its reverse (27300425), we get a palindrome (79700797).

The spelling of 52400372 in words is "fifty-two million, four hundred thousand, three hundred seventy-two".

Divisors: 1 2 4 3319 3947 6638 7894 13276 15788 13100093 26200186 52400372