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142628700 = 22352475429
BaseRepresentation
bin10001000000001…
…01011101011100
3100221101021210110
420200011131130
5243003104300
622053010020
73351216054
oct1040053534
9327337713
10142628700
1173568065
123b923910
132371a9a6
1414d2a564
15c7c5550
hex880575c

142628700 has 36 divisors (see below), whose sum is σ = 412673240. Its totient is φ = 38034240.

The previous prime is 142628693. The next prime is 142628701. The reversal of 142628700 is 7826241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142628701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237415 + ... + 238014.

Almost surely, 2142628700 is an apocalyptic number.

142628700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142628700 is an abundant number, since it is smaller than the sum of its proper divisors (270044540).

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

142628700 is a wasteful number, since it uses less digits than its factorization.

142628700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475446 (or 475439 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 142628700 is about 11942.7258195104. The cubic root of 142628700 is about 522.4791624971.

The spelling of 142628700 in words is "one hundred forty-two million, six hundred twenty-eight thousand, seven hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 475429 950858 1426287 1901716 2377145 2852574 4754290 5705148 7131435 9508580 11885725 14262870 23771450 28525740 35657175 47542900 71314350 142628700