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142625664 = 273341269
BaseRepresentation
bin10001000000001…
…00101110000000
3100221101010122000
420200010232000
5243003010124
622052544000
73351204156
oct1040045600
9327333560
10142625664
1173565855
123b922000
13237194ac
1414d293d6
15c7c46c9
hex8804b80

142625664 has 64 divisors (see below), whose sum is σ = 420954000. Its totient is φ = 47540736.

The previous prime is 142625663. The next prime is 142625669. The reversal of 142625664 is 466526241.

It is a tau number, because it is divible by the number of its divisors (64).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142625663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17179 + ... + 24090.

Almost surely, 2142625664 is an apocalyptic number.

It is an amenable number.

142625664 is an abundant number, since it is smaller than the sum of its proper divisors (278328336).

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

142625664 is an equidigital number, since it uses as much as digits as its factorization.

142625664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41292 (or 41274 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 142625664 is about 11942.5987121732. The cubic root of 142625664 is about 522.4754553002.

The spelling of 142625664 in words is "one hundred forty-two million, six hundred twenty-five thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 288 384 432 576 864 1152 1728 3456 41269 82538 123807 165076 247614 330152 371421 495228 660304 742842 990456 1114263 1320608 1485684 1980912 2228526 2641216 2971368 3961824 4457052 5282432 5942736 7923648 8914104 11885472 15847296 17828208 23770944 35656416 47541888 71312832 142625664