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142038790 = 2514203879
BaseRepresentation
bin10000111011101…
…01011100000110
3100220021022120221
420131311130012
5242330220130
622032214554
73343211155
oct1035653406
9326238527
10142038790
11731a4933
123b69a45a
132357232a
1414c1559c
15c70a87a
hex8775706

142038790 has 8 divisors (see below), whose sum is σ = 255669840. Its totient is φ = 56815512.

The previous prime is 142038763. The next prime is 142038797. The reversal of 142038790 is 97830241.

142038790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142038797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7101930 + ... + 7101949.

It is an arithmetic number, because the mean of its divisors is an integer number (31958730).

Almost surely, 2142038790 is an apocalyptic number.

142038790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142038790 is a deficient number, since it is larger than the sum of its proper divisors (113631050).

142038790 is a wasteful number, since it uses less digits than its factorization.

142038790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14203886.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 142038790 is about 11918.0027689206. The cubic root of 142038790 is about 521.7578453361.

The spelling of 142038790 in words is "one hundred forty-two million, thirty-eight thousand, seven hundred ninety".

Divisors: 1 2 5 10 14203879 28407758 71019395 142038790