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142096890 = 23513228027
BaseRepresentation
bin10000111100000…
…11100111111010
3100220101021021210
420132003213322
5242334100030
622033343550
73343542435
oct1036034772
9326337253
10142096890
1173234551
123b707bb6
1323592900
1414c2c81c
15c71cbb0
hex87839fa

142096890 has 48 divisors (see below), whose sum is σ = 369296928. Its totient is φ = 34976448.

The previous prime is 142096861. The next prime is 142096891. The reversal of 142096890 is 98690241.

It is a super-2 number, since 2×1420968902 = 40383052295344200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (142096891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8944 + ... + 19083.

It is an arithmetic number, because the mean of its divisors is an integer number (7693686).

Almost surely, 2142096890 is an apocalyptic number.

142096890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142096890 is an abundant number, since it is smaller than the sum of its proper divisors (227200038).

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

142096890 is a wasteful number, since it uses less digits than its factorization.

142096890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28063 (or 28050 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 142096890 is about 11920.4400086574. The cubic root of 142096890 is about 521.8289761366.

The spelling of 142096890 in words is "one hundred forty-two million, ninety-six thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 169 195 338 390 507 845 1014 1690 2535 5070 28027 56054 84081 140135 168162 280270 364351 420405 728702 840810 1093053 1821755 2186106 3643510 4736563 5465265 9473126 10930530 14209689 23682815 28419378 47365630 71048445 142096890