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142734802 = 27194312479
BaseRepresentation
bin10001000000111…
…11010111010010
3100221120200100011
420200133113102
5243020003202
622055145134
73352140310
oct1040372722
9327520304
10142734802
117362a851
123b9751aa
1323757082
1414d570b0
15c7e6bd7
hex881f5d2

142734802 has 32 divisors (see below), whose sum is σ = 263577600. Its totient is φ = 56600208.

The previous prime is 142734799. The next prime is 142734829. The reversal of 142734802 is 208437241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5199 + ... + 17677.

It is an arithmetic number, because the mean of its divisors is an integer number (8236800).

Almost surely, 2142734802 is an apocalyptic number.

142734802 is a deficient number, since it is larger than the sum of its proper divisors (120842798).

142734802 is a wasteful number, since it uses less digits than its factorization.

142734802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12550.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 142734802 is about 11947.1671119140. The cubic root of 142734802 is about 522.6086884233.

The spelling of 142734802 in words is "one hundred forty-two million, seven hundred thirty-four thousand, eight hundred two".

Divisors: 1 2 7 14 19 38 43 86 133 266 301 602 817 1634 5719 11438 12479 24958 87353 174706 237101 474202 536597 1073194 1659707 3319414 3756179 7512358 10195343 20390686 71367401 142734802