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142856414 = 271428207
BaseRepresentation
bin10001000001111…
…01000011011110
3100221210212011022
420200331003132
5243032401124
622101524142
73353155001
oct1040750336
9327725138
10142856414
1173703158
123ba13652
132379a52c
1414d89538
15c81cc5e
hex883d0de

142856414 has 4 divisors (see below), whose sum is σ = 214284624. Its totient is φ = 71428206.

The previous prime is 142856387. The next prime is 142856431. The reversal of 142856414 is 414658241.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 35714102 + ... + 35714105.

It is an arithmetic number, because the mean of its divisors is an integer number (53571156).

Almost surely, 2142856414 is an apocalyptic number.

142856414 is a deficient number, since it is larger than the sum of its proper divisors (71428210).

142856414 is an equidigital number, since it uses as much as digits as its factorization.

142856414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71428209.

The product of its digits is 30720, while the sum is 35.

The square root of 142856414 is about 11952.2556030232. The cubic root of 142856414 is about 522.7570695362.

The spelling of 142856414 in words is "one hundred forty-two million, eight hundred fifty-six thousand, four hundred fourteen".

Divisors: 1 2 71428207 142856414