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52390107 = 32711174447
BaseRepresentation
bin1100011111011…
…0100011011011
310122120200201100
43013312203123
5101402440412
65110522443
71204210560
oct307664333
9118520640
1052390107
1127633510
1215666423
13ab14283
146d5a867
1548ecedc
hex31f68db

52390107 has 48 divisors (see below), whose sum is σ = 99919872. Its totient is φ = 25608960.

The previous prime is 52390103. The next prime is 52390111. The reversal of 52390107 is 70109325.

It is an interprime number because it is at equal distance from previous prime (52390103) and next prime (52390111).

It is not a de Polignac number, because 52390107 - 22 = 52390103 is a prime.

It is a super-2 number, since 2×523901072 = 5489446622942898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52390103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9558 + ... + 14004.

It is an arithmetic number, because the mean of its divisors is an integer number (2081664).

Almost surely, 252390107 is an apocalyptic number.

52390107 is a deficient number, since it is larger than the sum of its proper divisors (47529765).

52390107 is a wasteful number, since it uses less digits than its factorization.

52390107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488 (or 4485 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 52390107 is about 7238.1010631242. The cubic root of 52390107 is about 374.1821750629.

The spelling of 52390107 in words is "fifty-two million, three hundred ninety thousand, one hundred seven".

Divisors: 1 3 7 9 11 17 21 33 51 63 77 99 119 153 187 231 357 561 693 1071 1309 1683 3927 4447 11781 13341 31129 40023 48917 75599 93387 146751 226797 280161 342419 440253 529193 680391 831589 1027257 1587579 2494767 3081771 4762737 5821123 7484301 17463369 52390107