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52097851 = 134007527
BaseRepresentation
bin1100011010111…
…1001100111011
310122000211211001
43012233030323
5101314112401
65100345431
71201552531
oct306571473
9118024731
1052097851
1127453983
1215545277
13aa41240
146cc2151
154891601
hex31af33b

52097851 has 4 divisors (see below), whose sum is σ = 56105392. Its totient is φ = 48090312.

The previous prime is 52097831. The next prime is 52097863. The reversal of 52097851 is 15879025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52097851 - 25 = 52097819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52097851.

It is not an unprimeable number, because it can be changed into a prime (52097831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003751 + ... + 2003776.

It is an arithmetic number, because the mean of its divisors is an integer number (14026348).

Almost surely, 252097851 is an apocalyptic number.

52097851 is a deficient number, since it is larger than the sum of its proper divisors (4007541).

52097851 is a wasteful number, since it uses less digits than its factorization.

52097851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007540.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 52097851 is about 7217.8841082411. The cubic root of 52097851 is about 373.4850907445.

The spelling of 52097851 in words is "fifty-two million, ninety-seven thousand, eight hundred fifty-one".

Divisors: 1 13 4007527 52097851