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52258709 = 83629623
BaseRepresentation
bin1100011101011…
…0011110010101
310122100000110202
43013112132111
5101334234314
65104030245
71203122516
oct307263625
9118300422
1052258709
1127553818
1215602385
13aa99519
146d24a0d
1548c40de
hex31d6795

52258709 has 4 divisors (see below), whose sum is σ = 52888416. Its totient is φ = 51629004.

The previous prime is 52258673. The next prime is 52258733. The reversal of 52258709 is 90785225.

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 52258709 - 216 = 52193173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52258009) 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, 314729 + ... + 314894.

It is an arithmetic number, because the mean of its divisors is an integer number (13222104).

Almost surely, 252258709 is an apocalyptic number.

It is an amenable number.

52258709 is a deficient number, since it is larger than the sum of its proper divisors (629707).

52258709 is an equidigital number, since it uses as much as digits as its factorization.

52258709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629706.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 52258709 is about 7229.0185364266. The cubic root of 52258709 is about 373.8690882723.

The spelling of 52258709 in words is "fifty-two million, two hundred fifty-eight thousand, seven hundred nine".

Divisors: 1 83 629623 52258709