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142310172 = 22347252323
BaseRepresentation
bin10000111101101…
…11101100011100
3100220210002212010
420132313230130
5242412411142
622042111220
73345421314
oct1036675434
9326702763
10142310172
117336a814
123b7ab510
1323638a04
1414c86444
15c760e9c
hex87b7b1c

142310172 has 24 divisors (see below), whose sum is σ = 339123456. Its totient is φ = 46427248.

The previous prime is 142310167. The next prime is 142310227. The reversal of 142310172 is 271013241.

It is a congruent number.

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, 125598 + ... + 126725.

It is an arithmetic number, because the mean of its divisors is an integer number (14130144).

Almost surely, 2142310172 is an apocalyptic number.

142310172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142310172 is an abundant number, since it is smaller than the sum of its proper divisors (196813284).

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

142310172 is a wasteful number, since it uses less digits than its factorization.

142310172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252377 (or 252375 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 142310172 is about 11929.3827166371. The cubic root of 142310172 is about 522.0899274026.

The spelling of 142310172 in words is "one hundred forty-two million, three hundred ten thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 252323 504646 756969 1009292 1513938 3027876 11859181 23718362 35577543 47436724 71155086 142310172