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142170336 = 25337112137
BaseRepresentation
bin10000111100101…
…01100011100000
3100220112000001000
420132111203200
5242343422321
622035112000
73344266530
oct1036254340
9326460030
10142170336
1173284750
123b742600
13235ba179
1414c4b4c0
15c734826
hex87958e0

142170336 has 192 divisors, whose sum is σ = 517224960. Its totient is φ = 36910080.

The previous prime is 142170319. The next prime is 142170359. The reversal of 142170336 is 633071241.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65460 + ... + 67596.

It is an arithmetic number, because the mean of its divisors is an integer number (2693880).

Almost surely, 2142170336 is an apocalyptic number.

142170336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142170336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258612480).

142170336 is an abundant number, since it is smaller than the sum of its proper divisors (375054624).

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

142170336 is a wasteful number, since it uses less digits than its factorization.

142170336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174 (or 2160 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 142170336 is about 11923.5202855533. The cubic root of 142170336 is about 521.9188670310.

The spelling of 142170336 in words is "one hundred forty-two million, one hundred seventy thousand, three hundred thirty-six".