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142828970 = 2559242083
BaseRepresentation
bin10001000001101…
…10010110101010
3100221202110111212
420200312112222
5243031011340
622101153122
73353011664
oct1040662652
9327673455
10142828970
1173694579
123b9bb7a2
132378abab
1414d7d534
15c814a65
hex88365aa

142828970 has 16 divisors (see below), whose sum is σ = 261450720. Its totient is φ = 56163024.

The previous prime is 142828957. The next prime is 142828979. The reversal of 142828970 is 79828241.

It is a super-2 number, since 2×1428289702 = 40800229342521800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142828979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120452 + ... + 121631.

It is an arithmetic number, because the mean of its divisors is an integer number (16340670).

Almost surely, 2142828970 is an apocalyptic number.

142828970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142828970 is a deficient number, since it is larger than the sum of its proper divisors (118621750).

142828970 is a wasteful number, since it uses less digits than its factorization.

142828970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242149.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 142828970 is about 11951.1074800623. The cubic root of 142828970 is about 522.7235919498.

The spelling of 142828970 in words is "one hundred forty-two million, eight hundred twenty-eight thousand, nine hundred seventy".

Divisors: 1 2 5 10 59 118 295 590 242083 484166 1210415 2420830 14282897 28565794 71414485 142828970