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142516283 = 71319139593
BaseRepresentation
bin10000111111010…
…10000000111011
3100221011120120212
420133222000323
5242441010113
622050341335
73350240240
oct1037520073
9327146525
10142516283
11734a0658
123b88a84b
13236ab780
1414cdb5c7
15c7a20a8
hex87ea03b

142516283 has 32 divisors (see below), whose sum is σ = 186278400. Its totient is φ = 105878016.

The previous prime is 142516273. The next prime is 142516291. The reversal of 142516283 is 382615241.

142516283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 142516283 - 210 = 142515259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142516243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240035 + ... + 240627.

It is an arithmetic number, because the mean of its divisors is an integer number (5821200).

Almost surely, 2142516283 is an apocalyptic number.

142516283 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142516283 is a deficient number, since it is larger than the sum of its proper divisors (43762117).

142516283 is a wasteful number, since it uses less digits than its factorization.

142516283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771.

The product of its digits is 11520, while the sum is 32.

The square root of 142516283 is about 11938.0183866503. The cubic root of 142516283 is about 522.3418573167.

The spelling of 142516283 in words is "one hundred forty-two million, five hundred sixteen thousand, two hundred eighty-three".

Divisors: 1 7 13 19 91 133 139 247 593 973 1729 1807 2641 4151 7709 11267 12649 18487 34333 53963 78869 82427 146471 240331 576989 1025297 1071551 1566113 7500857 10962791 20359469 142516283