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142873707 = 347624569
BaseRepresentation
bin10001000010000…
…01010001101011
3100221211201212210
420201001101223
5243033424312
622102140203
73353256264
oct1041012153
9327751783
10142873707
1173715149
123ba21663
13237a5372
1414d9196b
15c822e3c
hex884146b

142873707 has 4 divisors (see below), whose sum is σ = 190498280. Its totient is φ = 95249136.

The previous prime is 142873693. The next prime is 142873721. The reversal of 142873707 is 707378241.

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

It is an interprime number because it is at equal distance from previous prime (142873693) and next prime (142873721).

It is not a de Polignac number, because 142873707 - 212 = 142869611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142873727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23812282 + ... + 23812287.

It is an arithmetic number, because the mean of its divisors is an integer number (47624570).

Almost surely, 2142873707 is an apocalyptic number.

142873707 is a deficient number, since it is larger than the sum of its proper divisors (47624573).

142873707 is an equidigital number, since it uses as much as digits as its factorization.

142873707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47624572.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 142873707 is about 11952.9790010691. The cubic root of 142873707 is about 522.7781622147.

The spelling of 142873707 in words is "one hundred forty-two million, eight hundred seventy-three thousand, seven hundred seven".

Divisors: 1 3 47624569 142873707