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142188496 = 248886781
BaseRepresentation
bin10000111100110…
…01111111010000
3100220112220221121
420132121333100
5242400012441
622035332024
73344403502
oct1036317720
9326486847
10142188496
117329735a
123b751014
13235c5508
1414c53d72
15c739dd1
hex8799fd0

142188496 has 10 divisors (see below), whose sum is σ = 275490242. Its totient is φ = 71094240.

The previous prime is 142188481. The next prime is 142188503. The reversal of 142188496 is 694881241.

It can be written as a sum of positive squares in only one way, i.e., 97298496 + 44890000 = 9864^2 + 6700^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4443375 + ... + 4443406.

Almost surely, 2142188496 is an apocalyptic number.

142188496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142188496 is a deficient number, since it is larger than the sum of its proper divisors (133301746).

142188496 is an equidigital number, since it uses as much as digits as its factorization.

142188496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886789 (or 8886783 counting only the distinct ones).

The product of its digits is 110592, while the sum is 43.

The square root of 142188496 is about 11924.2817813066. The cubic root of 142188496 is about 521.9410883639.

The spelling of 142188496 in words is "one hundred forty-two million, one hundred eighty-eight thousand, four hundred ninety-six".

Divisors: 1 2 4 8 16 8886781 17773562 35547124 71094248 142188496