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142628136 = 23371944683
BaseRepresentation
bin10001000000001…
…01010100101000
3100221101021000120
420200011110220
5243003100021
622053003240
73351214320
oct1040052450
9327337016
10142628136
11735676a2
123b923520
132371a661
1414d2a280
15c7c52c6
hex8805528

142628136 has 64 divisors (see below), whose sum is σ = 428966400. Its totient is φ = 38605248.

The previous prime is 142628099. The next prime is 142628149. The reversal of 142628136 is 631826241.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 142628097 and 142628106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19150 + ... + 25533.

It is an arithmetic number, because the mean of its divisors is an integer number (6702600).

Almost surely, 2142628136 is an apocalyptic number.

142628136 is the 6384-th nonagonal number.

It is an amenable number.

142628136 is an abundant number, since it is smaller than the sum of its proper divisors (286338264).

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

142628136 is a wasteful number, since it uses less digits than its factorization.

142628136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44718 (or 44714 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 142628136 is about 11942.7022067872. The cubic root of 142628136 is about 522.4784738123.

The spelling of 142628136 in words is "one hundred forty-two million, six hundred twenty-eight thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 19 21 24 28 38 42 56 57 76 84 114 133 152 168 228 266 399 456 532 798 1064 1596 3192 44683 89366 134049 178732 268098 312781 357464 536196 625562 848977 938343 1072392 1251124 1697954 1876686 2502248 2546931 3395908 3753372 5093862 5942839 6791816 7506744 10187724 11885678 17828517 20375448 23771356 35657034 47542712 71314068 142628136