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52151369 = 173487619
BaseRepresentation
bin1100011011110…
…0010001001001
310122010120020012
43012330101021
5101322320434
65101441305
71202164544
oct306742111
9118116205
1052151369
1127490106
1215570235
13aa5c6ca
146cd785b
1548a23ce
hex31bc449

52151369 has 8 divisors (see below), whose sum is σ = 52645440. Its totient is φ = 51659856.

The previous prime is 52151347. The next prime is 52151381. The reversal of 52151369 is 96315125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52151369 - 216 = 52085833 is a prime.

It is a super-2 number, since 2×521513692 = 5439530577148322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52151329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83942 + ... + 84560.

It is an arithmetic number, because the mean of its divisors is an integer number (6580680).

Almost surely, 252151369 is an apocalyptic number.

It is an amenable number.

52151369 is a deficient number, since it is larger than the sum of its proper divisors (494071).

52151369 is a wasteful number, since it uses less digits than its factorization.

52151369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279.

The product of its digits is 8100, while the sum is 32.

The square root of 52151369 is about 7221.5904757886. The cubic root of 52151369 is about 373.6129356508.

The spelling of 52151369 in words is "fifty-two million, one hundred fifty-one thousand, three hundred sixty-nine".

Divisors: 1 173 487 619 84251 107087 301453 52151369