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52222980 = 22351751199
BaseRepresentation
bin1100011100110…
…1110000000100
310122021012110110
43013031300010
5101332113410
65103153020
71202613405
oct307156004
9118235413
1052222980
1127529997
12155a5770
13aa86194
146d159ac
1548b8720
hex31cdc04

52222980 has 48 divisors (see below), whose sum is σ = 154828800. Its totient is φ = 13106688.

The previous prime is 52222979. The next prime is 52222981. The reversal of 52222980 is 8922225.

It is an interprime number because it is at equal distance from previous prime (52222979) and next prime (52222981).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (52222981) 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, 24580 + ... + 26619.

It is an arithmetic number, because the mean of its divisors is an integer number (3225600).

Almost surely, 252222980 is an apocalyptic number.

It is an amenable number.

52222980 is an abundant number, since it is smaller than the sum of its proper divisors (102605820).

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

52222980 is a wasteful number, since it uses less digits than its factorization.

52222980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51228 (or 51226 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 52222980 is about 7226.5468932264. The cubic root of 52222980 is about 373.7838647480.

The spelling of 52222980 in words is "fifty-two million, two hundred twenty-two thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 51199 102398 153597 204796 255995 307194 511990 614388 767985 870383 1023980 1535970 1740766 2611149 3071940 3481532 4351915 5222298 8703830 10444596 13055745 17407660 26111490 52222980