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142474433 = 1760713807
BaseRepresentation
bin10000111110111…
…11110011000001
3100221002110011212
420133133303001
5242433140213
622045415505
73350004233
oct1037376301
9327073155
10142474433
1173472172
123b86a595
13236956ca
1414cca253
15c7949a8
hex87dfcc1

142474433 has 8 divisors (see below), whose sum is σ = 151114752. Its totient is φ = 133862976.

The previous prime is 142474417. The next prime is 142474447. The reversal of 142474433 is 334474241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142474433 - 24 = 142474417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142474433.

It is not an unprimeable number, because it can be changed into a prime (142474133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3416 + ... + 17222.

It is an arithmetic number, because the mean of its divisors is an integer number (18889344).

Almost surely, 2142474433 is an apocalyptic number.

It is an amenable number.

142474433 is a deficient number, since it is larger than the sum of its proper divisors (8640319).

142474433 is a wasteful number, since it uses less digits than its factorization.

142474433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14431.

The product of its digits is 32256, while the sum is 32.

The square root of 142474433 is about 11936.2654544878. The cubic root of 142474433 is about 522.2907236348.

It can be divided in two parts, 1424 and 74433, that added together give a palindrome (75857).

The spelling of 142474433 in words is "one hundred forty-two million, four hundred seventy-four thousand, four hundred thirty-three".

Divisors: 1 17 607 10319 13807 234719 8380849 142474433