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52889909 = 375632539
BaseRepresentation
bin1100100111000…
…0100100110101
310200112002022112
43021300210311
5102014434114
65125340405
71211361662
oct311604465
9120462275
1052889909
1127944a76
1215867705
13ac5a907
14704aa69
15499b13e
hex3270935

52889909 has 8 divisors (see below), whose sum is σ = 54437280. Its totient is φ = 51348816.

The previous prime is 52889827. The next prime is 52889911. The reversal of 52889909 is 90998825.

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 52889909 - 212 = 52885813 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 (52889009) 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, 19562 + ... + 22100.

It is an arithmetic number, because the mean of its divisors is an integer number (6804660).

Almost surely, 252889909 is an apocalyptic number.

It is an amenable number.

52889909 is a deficient number, since it is larger than the sum of its proper divisors (1547371).

52889909 is a wasteful number, since it uses less digits than its factorization.

52889909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139.

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 52889909 is about 7272.5448778265. The cubic root of 52889909 is about 375.3683113248.

The spelling of 52889909 in words is "fifty-two million, eight hundred eighty-nine thousand, nine hundred nine".

Divisors: 1 37 563 2539 20831 93943 1429457 52889909