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142047375 = 353378793
BaseRepresentation
bin10000111011101…
…11100010001111
3100220021202100220
420131313202033
5242331004000
622032322423
73343245201
oct1035674217
9326252326
10142047375
1173200328
123b6a3413
1323576202
1414c18771
15c70d1a0
hex877788f

142047375 has 16 divisors (see below), whose sum is σ = 236367456. Its totient is φ = 75758400.

The previous prime is 142047349. The next prime is 142047377. The reversal of 142047375 is 573740241.

It is not a de Polignac number, because 142047375 - 210 = 142046351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142047377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189022 + ... + 189771.

It is an arithmetic number, because the mean of its divisors is an integer number (14772966).

Almost surely, 2142047375 is an apocalyptic number.

142047375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142047375 is a deficient number, since it is larger than the sum of its proper divisors (94320081).

142047375 is an equidigital number, since it uses as much as digits as its factorization.

142047375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378811 (or 378801 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 142047375 is about 11918.3629328864. The cubic root of 142047375 is about 521.7683570207.

The spelling of 142047375 in words is "one hundred forty-two million, forty-seven thousand, three hundred seventy-five".

Divisors: 1 3 5 15 25 75 125 375 378793 1136379 1893965 5681895 9469825 28409475 47349125 142047375