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52290459 = 32132311109
BaseRepresentation
bin1100011101111…
…0001110011011
310122101122000200
43013132032123
5101341243314
65104433243
71203314214
oct307361633
9118348020
1052290459
1127575661
1215618823
13aaaab00
146d3240b
1548cd709
hex31de39b

52290459 has 36 divisors (see below), whose sum is σ = 84502080. Its totient is φ = 31112640.

The previous prime is 52290443. The next prime is 52290463. The reversal of 52290459 is 95409225.

It is a happy number.

52290459 is a `hidden beast` number, since 522 + 90 + 45 + 9 = 666.

It is not a de Polignac number, because 52290459 - 24 = 52290443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52290439) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 46597 + ... + 47705.

It is an arithmetic number, because the mean of its divisors is an integer number (2347280).

Almost surely, 252290459 is an apocalyptic number.

52290459 is a deficient number, since it is larger than the sum of its proper divisors (32211621).

52290459 is a wasteful number, since it uses less digits than its factorization.

52290459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 52290459 is about 7231.2142133946. The cubic root of 52290459 is about 373.9447881932.

The spelling of 52290459 in words is "fifty-two million, two hundred ninety thousand, four hundred fifty-nine".

Divisors: 1 3 9 13 31 39 93 117 169 279 403 507 1109 1209 1521 3327 3627 5239 9981 14417 15717 34379 43251 47151 103137 129753 187421 309411 446927 562263 1340781 1686789 4022343 5810051 17430153 52290459