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142197260 = 2258385661
BaseRepresentation
bin10000111100111…
…00001000001100
3100220120100222012
420132130020030
5242400303020
622035440352
73344441162
oct1036341014
9326510865
10142197260
11732a29a7
123b7560b8
13235c94ba
1414c57232
15c73c7c5
hex879c20c

142197260 has 24 divisors (see below), whose sum is σ = 302215536. Its totient is φ = 56192960.

The previous prime is 142197239. The next prime is 142197271. The reversal of 142197260 is 62791241.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41171 + ... + 44490.

It is an arithmetic number, because the mean of its divisors is an integer number (12592314).

Almost surely, 2142197260 is an apocalyptic number.

142197260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142197260 is an abundant number, since it is smaller than the sum of its proper divisors (160018276).

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

142197260 is a wasteful number, since it uses less digits than its factorization.

142197260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85753 (or 85751 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 142197260 is about 11924.6492610894. The cubic root of 142197260 is about 521.9518116827.

The spelling of 142197260 in words is "one hundred forty-two million, one hundred ninety-seven thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 85661 171322 342644 428305 856610 1713220 7109863 14219726 28439452 35549315 71098630 142197260