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56534142 = 2372316203
BaseRepresentation
bin1101011110101…
…0010001111110
310221101020021010
43113222101332
5103433043032
65335420050
71254350400
oct327522176
9127336233
1056534142
1129a03a35
1216b24626
13b935572
147718b70
154e6accc
hex35ea47e

56534142 has 48 divisors (see below), whose sum is σ = 135793152. Its totient is φ = 15629040.

The previous prime is 56534141. The next prime is 56534143. The reversal of 56534142 is 24143565.

It is an interprime number because it is at equal distance from previous prime (56534141) and next prime (56534143).

It is a super-2 number, since 2×565341422 = 6392218423352328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56534141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6013 + ... + 12215.

It is an arithmetic number, because the mean of its divisors is an integer number (2829024).

Almost surely, 256534142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56534142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67896576).

56534142 is an abundant number, since it is smaller than the sum of its proper divisors (79259010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56534142 is a wasteful number, since it uses less digits than its factorization.

56534142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6253 (or 6246 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 56534142 is about 7518.9189382517. The cubic root of 56534142 is about 383.7987905299.

The spelling of 56534142 in words is "fifty-six million, five hundred thirty-four thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 31 42 49 62 93 98 147 186 217 294 434 651 1302 1519 3038 4557 6203 9114 12406 18609 37218 43421 86842 130263 192293 260526 303947 384586 576879 607894 911841 1153758 1346051 1823682 2692102 4038153 8076306 9422357 18844714 28267071 56534142