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56534247 = 3371171383
BaseRepresentation
bin1101011110101…
…0010011100111
310221101020102000
43113222103213
5103433043442
65335420343
71254350610
oct327522347
9127336360
1056534247
1129a04020
1216b246b3
13b935623
147718c07
154e6ad4c
hex35ea4e7

56534247 has 64 divisors (see below), whose sum is σ = 106168320. Its totient is φ = 28879200.

The previous prime is 56534237. The next prime is 56534263. The reversal of 56534247 is 74243565.

It is not a de Polignac number, because 56534247 - 27 = 56534119 is a prime.

It is a super-2 number, since 2×565342472 = 6392242167714018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56534227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147418 + ... + 147800.

It is an arithmetic number, because the mean of its divisors is an integer number (1658880).

Almost surely, 256534247 is an apocalyptic number.

56534247 is a deficient number, since it is larger than the sum of its proper divisors (49634073).

56534247 is a wasteful number, since it uses less digits than its factorization.

56534247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 475 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 56534247 is about 7518.9259206352. The cubic root of 56534247 is about 383.7990281376.

The spelling of 56534247 in words is "fifty-six million, five hundred thirty-four thousand, two hundred forty-seven".

Divisors: 1 3 7 9 11 21 27 33 63 71 77 99 189 213 231 297 383 497 639 693 781 1149 1491 1917 2079 2343 2681 3447 4213 4473 5467 7029 8043 10341 12639 13419 16401 21087 24129 27193 29491 37917 49203 72387 81579 88473 113751 147609 190351 244737 265419 299123 571053 734211 796257 897369 1713159 2093861 2692107 5139477 6281583 8076321 18844749 56534247