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142474313 = 1073913267
BaseRepresentation
bin10000111110111…
…11110001001001
3100221002110000102
420133133301021
5242433134223
622045415145
73350004002
oct1037376111
9327073012
10142474313
1173472073
123b86a4b5
1323695637
1414cca1a9
15c794928
hex87dfc49

142474313 has 4 divisors (see below), whose sum is σ = 142498320. Its totient is φ = 142450308.

The previous prime is 142474307. The next prime is 142474327. The reversal of 142474313 is 313474241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 142474313 - 224 = 125697097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142474363) 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, 4106 + ... + 17372.

It is an arithmetic number, because the mean of its divisors is an integer number (35624580).

Almost surely, 2142474313 is an apocalyptic number.

It is an amenable number.

142474313 is a deficient number, since it is larger than the sum of its proper divisors (24007).

142474313 is a wasteful number, since it uses less digits than its factorization.

142474313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24006.

The product of its digits is 8064, while the sum is 29.

The square root of 142474313 is about 11936.2604277889. The cubic root of 142474313 is about 522.2905770006.

The spelling of 142474313 in words is "one hundred forty-two million, four hundred seventy-four thousand, three hundred thirteen".

Divisors: 1 10739 13267 142474313