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142627845 = 3547202309
BaseRepresentation
bin10001000000001…
…01010000000101
3100221101020121210
420200011100011
5243003042340
622053002033
73351213423
oct1040052005
9327336553
10142627845
1173567458
123b923319
132371a499
1414d2a113
15c7c5180
hex8805405

142627845 has 16 divisors (see below), whose sum is σ = 233061120. Its totient is φ = 74449344.

The previous prime is 142627843. The next prime is 142627847. The reversal of 142627845 is 548726241.

It is an interprime number because it is at equal distance from previous prime (142627843) and next prime (142627847).

It is not a de Polignac number, because 142627845 - 21 = 142627843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142627843) 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 15 ways as a sum of consecutive naturals, for example, 100450 + ... + 101859.

It is an arithmetic number, because the mean of its divisors is an integer number (14566320).

Almost surely, 2142627845 is an apocalyptic number.

142627845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142627845 is a deficient number, since it is larger than the sum of its proper divisors (90433275).

142627845 is a wasteful number, since it uses less digits than its factorization.

142627845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202364.

The product of its digits is 107520, while the sum is 39.

The square root of 142627845 is about 11942.6900236086. The cubic root of 142627845 is about 522.4781184796.

The spelling of 142627845 in words is "one hundred forty-two million, six hundred twenty-seven thousand, eight hundred forty-five".

Divisors: 1 3 5 15 47 141 235 705 202309 606927 1011545 3034635 9508523 28525569 47542615 142627845