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142856260 = 22537712719
BaseRepresentation
bin10001000001111…
…01000001000100
3100221210211221121
420200331001010
5243032400020
622101523324
73353154361
oct1040750104
9327724847
10142856260
1173703028
123ba13544
132379a441
1414d89468
15c81cbaa
hex883d044

142856260 has 48 divisors (see below), whose sum is σ = 312560640. Its totient is φ = 54794880.

The previous prime is 142856257. The next prime is 142856279. The reversal of 142856260 is 62658241.

It is a super-2 number, since 2×1428562602 = 40815822042375200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51181 + ... + 53899.

It is an arithmetic number, because the mean of its divisors is an integer number (6511680).

Almost surely, 2142856260 is an apocalyptic number.

142856260 is a gapful number since it is divisible by the number (10) 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 142856260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156280320).

142856260 is an abundant number, since it is smaller than the sum of its proper divisors (169704380).

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

142856260 is a wasteful number, since it uses less digits than its factorization.

142856260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836 (or 2834 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 142856260 is about 11952.2491607228. The cubic root of 142856260 is about 522.7568816911.

The spelling of 142856260 in words is "one hundred forty-two million, eight hundred fifty-six thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 37 71 74 142 148 185 284 355 370 710 740 1420 2627 2719 5254 5438 10508 10876 13135 13595 26270 27190 52540 54380 100603 193049 201206 386098 402412 503015 772196 965245 1006030 1930490 2012060 3860980 7142813 14285626 28571252 35714065 71428130 142856260