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142467540 = 223510323053
BaseRepresentation
bin10000111110111…
…10000111010100
3100221002002201120
420133132013110
5242432430130
622045323540
73346645155
oct1037360724
9327062646
10142467540
1173467a76
123b8665b0
1323692527
1414cc792c
15c792910
hex87de1d4

142467540 has 48 divisors (see below), whose sum is σ = 402799488. Its totient is φ = 37620864.

The previous prime is 142467539. The next prime is 142467553. The reversal of 142467540 is 45764241.

It is a congruent number.

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, 5347 + ... + 17706.

It is an arithmetic number, because the mean of its divisors is an integer number (8391656).

Almost surely, 2142467540 is an apocalyptic number.

142467540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142467540 is an abundant number, since it is smaller than the sum of its proper divisors (260331948).

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

142467540 is a wasteful number, since it uses less digits than its factorization.

142467540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23168 (or 23166 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 142467540 is about 11935.9767090926. The cubic root of 142467540 is about 522.2823005844.

The spelling of 142467540 in words is "one hundred forty-two million, four hundred sixty-seven thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 103 206 309 412 515 618 1030 1236 1545 2060 3090 6180 23053 46106 69159 92212 115265 138318 230530 276636 345795 461060 691590 1383180 2374459 4748918 7123377 9497836 11872295 14246754 23744590 28493508 35616885 47489180 71233770 142467540