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142251004 = 22734914557
BaseRepresentation
bin10000111101010…
…01001111111100
3100220200002200201
420132221033330
5242404013004
622040533244
73345053650
oct1036511774
9326602621
10142251004
117332a315
123b781224
1323617abc
1414c6ca60
15c74d6a4
hex87a93fc

142251004 has 24 divisors (see below), whose sum is σ = 285336800. Its totient is φ = 60785856.

The previous prime is 142250989. The next prime is 142251013. The reversal of 142251004 is 400152241.

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, 2494 + ... + 17050.

Almost surely, 2142251004 is an apocalyptic number.

142251004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142251004 is an abundant number, since it is smaller than the sum of its proper divisors (143085796).

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

142251004 is a wasteful number, since it uses less digits than its factorization.

142251004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14917 (or 14915 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 142251004 is about 11926.9025316718. The cubic root of 142251004 is about 522.0175612966.

The spelling of 142251004 in words is "one hundred forty-two million, two hundred fifty-one thousand, four".

Divisors: 1 2 4 7 14 28 349 698 1396 2443 4886 9772 14557 29114 58228 101899 203798 407596 5080393 10160786 20321572 35562751 71125502 142251004