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142454298 = 2373391769
BaseRepresentation
bin10000111110110…
…10111000011010
3100221001102120010
420133122320122
5242432014143
622045142350
73346561440
oct1037327032
9327042503
10142454298
1173459028
123b85a9b6
13236894ac
1414cc2b90
15c78da33
hex87dae1a

142454298 has 16 divisors (see below), whose sum is σ = 325609920. Its totient is φ = 40701216.

The previous prime is 142454251. The next prime is 142454309. The reversal of 142454298 is 892454241.

It is a Curzon 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, 1695843 + ... + 1695926.

It is an arithmetic number, because the mean of its divisors is an integer number (20350620).

Almost surely, 2142454298 is an apocalyptic number.

142454298 is an abundant number, since it is smaller than the sum of its proper divisors (183155622).

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

142454298 is a wasteful number, since it uses less digits than its factorization.

142454298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391781.

The product of its digits is 92160, while the sum is 39.

The square root of 142454298 is about 11935.4219866748. The cubic root of 142454298 is about 522.2661184737.

The spelling of 142454298 in words is "one hundred forty-two million, four hundred fifty-four thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 7 14 21 42 3391769 6783538 10175307 20350614 23742383 47484766 71227149 142454298