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142923700 = 22521975223
BaseRepresentation
bin10001000010011…
…01011110110100
3100221221021110101
420201031132310
5243042024300
622103203444
73353555113
oct1041153664
9327837411
10142923700
1173749767
123ba46584
13237c204a
1414da5c7a
15c832b6a
hex884d7b4

142923700 has 36 divisors (see below), whose sum is σ = 326472160. Its totient is φ = 54159840.

The previous prime is 142923691. The next prime is 142923721. The reversal of 142923700 is 7329241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35712 + ... + 39511.

Almost surely, 2142923700 is an apocalyptic number.

142923700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142923700 is an abundant number, since it is smaller than the sum of its proper divisors (183548460).

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

142923700 is a wasteful number, since it uses less digits than its factorization.

142923700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75256 (or 75249 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 142923700 is about 11955.0700541653. The cubic root of 142923700 is about 522.8391302810.

The spelling of 142923700 in words is "one hundred forty-two million, nine hundred twenty-three thousand, seven hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 75223 150446 300892 376115 752230 1429237 1504460 1880575 2858474 3761150 5716948 7146185 7522300 14292370 28584740 35730925 71461850 142923700