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142284276 = 2235146383
BaseRepresentation
bin10000111101100…
…01010111110100
3100220201210100000
420132301113310
5242411044101
622041351300
73345252651
oct1036612764
9326653300
10142284276
1173352312
123b798530
1323629ca4
1414c7ac28
15c758486
hex87b15f4

142284276 has 36 divisors (see below), whose sum is σ = 372986432. Its totient is φ = 47427768.

The previous prime is 142284257. The next prime is 142284313. The reversal of 142284276 is 672482241.

142284276 is a `hidden beast` number, since 1 + 4 + 228 + 427 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 142284276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72220 + ... + 74163.

Almost surely, 2142284276 is an apocalyptic number.

It is an amenable number.

142284276 is an abundant number, since it is smaller than the sum of its proper divisors (230702156).

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

142284276 is a wasteful number, since it uses less digits than its factorization.

142284276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146402 (or 146388 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 142284276 is about 11928.2972799977. The cubic root of 142284276 is about 522.0582574694.

The spelling of 142284276 in words is "one hundred forty-two million, two hundred eighty-four thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 972 146383 292766 439149 585532 878298 1317447 1756596 2634894 3952341 5269788 7904682 11857023 15809364 23714046 35571069 47428092 71142138 142284276