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142870192 = 2453331509
BaseRepresentation
bin10001000010000…
…00011010110000
3100221211120001121
420201000122300
5243033321232
622102112024
73353243113
oct1041003260
9327746047
10142870192
1173712543
123ba1b614
13237a389a
1414d9057a
15c821d97
hex88406b0

142870192 has 40 divisors (see below), whose sum is σ = 283441680. Its totient is φ = 69738240.

The previous prime is 142870171. The next prime is 142870207. The reversal of 142870192 is 291078241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280434 + ... + 280942.

It is an arithmetic number, because the mean of its divisors is an integer number (7086042).

Almost surely, 2142870192 is an apocalyptic number.

It is an amenable number.

142870192 is a deficient number, since it is larger than the sum of its proper divisors (140571488).

142870192 is a wasteful number, since it uses less digits than its factorization.

142870192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 142870192 is about 11952.8319656891. The cubic root of 142870192 is about 522.7738750244.

The spelling of 142870192 in words is "one hundred forty-two million, eight hundred seventy thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 53 106 212 331 424 509 662 848 1018 1324 2036 2648 4072 5296 8144 17543 26977 35086 53954 70172 107908 140344 168479 215816 280688 336958 431632 673916 1347832 2695664 8929387 17858774 35717548 71435096 142870192