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52397902 = 2613111381
BaseRepresentation
bin1100011111100…
…0011101001110
310122121002102001
43013320131032
5101403213102
65111022514
71204242364
oct307703516
9118532361
1052397902
1127639357
121566aa3a
13ab1799b
146d5d634
154900487
hex31f874e

52397902 has 16 divisors (see below), whose sum is σ = 80200224. Its totient is φ = 25668000.

The previous prime is 52397869. The next prime is 52397909. The reversal of 52397902 is 20979325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52397909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37252 + ... + 38632.

It is an arithmetic number, because the mean of its divisors is an integer number (5012514).

Almost surely, 252397902 is an apocalyptic number.

52397902 is a deficient number, since it is larger than the sum of its proper divisors (27802322).

52397902 is a wasteful number, since it uses less digits than its factorization.

52397902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 52397902 is about 7238.6395130577. The cubic root of 52397902 is about 374.2007320359.

The spelling of 52397902 in words is "fifty-two million, three hundred ninety-seven thousand, nine hundred two".

Divisors: 1 2 61 122 311 622 1381 2762 18971 37942 84241 168482 429491 858982 26198951 52397902