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142695644 = 22721356003
BaseRepresentation
bin10001000000101…
…01110011011100
3100221111200121212
420200111303130
5243012230034
622054243552
73351615200
oct1040256334
9327450555
10142695644
1173603393
123b9565b8
13237422c0
1414d46b00
15c7da2ce
hex8815cdc

142695644 has 36 divisors (see below), whose sum is σ = 312838344. Its totient is φ = 56450016.

The previous prime is 142695617. The next prime is 142695659. The reversal of 142695644 is 446596241.

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, 25454 + ... + 30549.

It is an arithmetic number, because the mean of its divisors is an integer number (8689954).

Almost surely, 2142695644 is an apocalyptic number.

142695644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142695644 is an abundant number, since it is smaller than the sum of its proper divisors (170142700).

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

142695644 is a wasteful number, since it uses less digits than its factorization.

142695644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56034 (or 56025 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 142695644 is about 11945.5282009629. The cubic root of 142695644 is about 522.5608930657.

The spelling of 142695644 in words is "one hundred forty-two million, six hundred ninety-five thousand, six hundred forty-four".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 182 196 364 637 1274 2548 56003 112006 224012 392021 728039 784042 1456078 1568084 2744147 2912156 5096273 5488294 10192546 10976588 20385092 35673911 71347822 142695644