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142813475 = 527816077
BaseRepresentation
bin10001000001100…
…10100100100011
3100221201200020222
420200302210203
5243030012400
622100553255
73352615550
oct1040624443
9327650228
10142813475
1173683972
123b9b282b
1323783b1c
1414d77a27
15c810185
hex8832923

142813475 has 12 divisors (see below), whose sum is σ = 202387344. Its totient is φ = 97929120.

The previous prime is 142813469. The next prime is 142813483. The reversal of 142813475 is 574318241.

It is not a de Polignac number, because 142813475 - 24 = 142813459 is a prime.

It is a super-3 number, since 3×1428134753 (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 407864 + ... + 408213.

It is an arithmetic number, because the mean of its divisors is an integer number (16865612).

Almost surely, 2142813475 is an apocalyptic number.

142813475 is a deficient number, since it is larger than the sum of its proper divisors (59573869).

142813475 is an equidigital number, since it uses as much as digits as its factorization.

142813475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816094 (or 816089 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 142813475 is about 11950.4591961983. The cubic root of 142813475 is about 522.7046884669.

The spelling of 142813475 in words is "one hundred forty-two million, eight hundred thirteen thousand, four hundred seventy-five".

Divisors: 1 5 7 25 35 175 816077 4080385 5712539 20401925 28562695 142813475