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287224053 = 3359266689
BaseRepresentation
bin10001000111101…
…011000011110101
3202000110111022220
4101013223003311
51042012132203
644300112553
710055235624
oct2107530365
9660414286
10287224053
11138148756
1280235759
134767687c
142a2096bb
151a338653
hex111eb0f5

287224053 has 8 divisors (see below), whose sum is σ = 384033600. Its totient is φ = 190948608.

The previous prime is 287224037. The next prime is 287224057. The reversal of 287224053 is 350422782.

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

It is not a de Polignac number, because 287224053 - 24 = 287224037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287224057) 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, 132268 + ... + 134421.

It is an arithmetic number, because the mean of its divisors is an integer number (48004200).

Almost surely, 2287224053 is an apocalyptic number.

It is an amenable number.

287224053 is a deficient number, since it is larger than the sum of its proper divisors (96809547).

287224053 is a wasteful number, since it uses less digits than its factorization.

287224053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267051.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 287224053 is about 16947.6857712196. The cubic root of 287224053 is about 659.7918328808.

The spelling of 287224053 in words is "two hundred eighty-seven million, two hundred twenty-four thousand, fifty-three".

Divisors: 1 3 359 1077 266689 800067 95741351 287224053