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52208677 = 60786011
BaseRepresentation
bin1100011100101…
…0010000100101
310122020110211201
43013022100211
5101331134202
65103002501
71202523613
oct307122045
9118213751
1052208677
112751a174
1215599431
13aa7c811
146d106b3
1548b4387
hex31ca425

52208677 has 4 divisors (see below), whose sum is σ = 52295296. Its totient is φ = 52122060.

The previous prime is 52208669. The next prime is 52208701. The reversal of 52208677 is 77680225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52208677 - 23 = 52208669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52208777) 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 3 ways as a sum of consecutive naturals, for example, 42399 + ... + 43612.

It is an arithmetic number, because the mean of its divisors is an integer number (13073824).

Almost surely, 252208677 is an apocalyptic number.

It is an amenable number.

52208677 is a deficient number, since it is larger than the sum of its proper divisors (86619).

52208677 is an equidigital number, since it uses as much as digits as its factorization.

52208677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86618.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 52208677 is about 7225.5572103472. The cubic root of 52208677 is about 373.7497372511.

The spelling of 52208677 in words is "fifty-two million, two hundred eight thousand, six hundred seventy-seven".

Divisors: 1 607 86011 52208677