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142346818 = 271173409
BaseRepresentation
bin10000111110000…
…00101001000010
3100220211222010101
420133000221002
5242420044233
622042553014
73345633205
oct1037005102
9326758111
10142346818
11733952a9
123b80876a
132364c5b3
1414c9593c
15c76bc7d
hex87c0a42

142346818 has 4 divisors (see below), whose sum is σ = 213520230. Its totient is φ = 71173408.

The previous prime is 142346783. The next prime is 142346837. The reversal of 142346818 is 818643241.

142346818 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 141063129 + 1283689 = 11877^2 + 1133^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35586703 + ... + 35586706.

Almost surely, 2142346818 is an apocalyptic number.

142346818 is a deficient number, since it is larger than the sum of its proper divisors (71173412).

142346818 is an equidigital number, since it uses as much as digits as its factorization.

142346818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71173411.

The product of its digits is 36864, while the sum is 37.

The square root of 142346818 is about 11930.9185731862. The cubic root of 142346818 is about 522.1347376580.

The spelling of 142346818 in words is "one hundred forty-two million, three hundred forty-six thousand, eight hundred eighteen".

Divisors: 1 2 71173409 142346818