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52287153 = 317997369
BaseRepresentation
bin1100011101110…
…1011010110001
310122101110111020
43013131122301
5101341142103
65104410053
71203301452
oct307353261
9118343436
1052287153
1127573126
1215616929
13aaa9459
146d31129
1548cc753
hex31dd6b1

52287153 has 8 divisors (see below), whose sum is σ = 70106400. Its totient is φ = 34663008.

The previous prime is 52287143. The next prime is 52287227. The reversal of 52287153 is 35178225.

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

It is a de Polignac number, because none of the positive numbers 2k-52287153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52287113) 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, 48148 + ... + 49221.

It is an arithmetic number, because the mean of its divisors is an integer number (8763300).

Almost surely, 252287153 is an apocalyptic number.

It is an amenable number.

52287153 is a deficient number, since it is larger than the sum of its proper divisors (17819247).

52287153 is a wasteful number, since it uses less digits than its factorization.

52287153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97551.

The product of its digits is 16800, while the sum is 33.

The square root of 52287153 is about 7230.9856174660. The cubic root of 52287153 is about 373.9369072939.

The spelling of 52287153 in words is "fifty-two million, two hundred eighty-seven thousand, one hundred fifty-three".

Divisors: 1 3 179 537 97369 292107 17429051 52287153