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142670455 = 528534091
BaseRepresentation
bin10001000000011…
…11101001110111
3100221110102001221
420200033221313
5243010423310
622053531211
73351451564
oct1040175167
9327412057
10142670455
1173596474
123b943b07
13237339b5
1414d3b86b
15c7d2ada
hex880fa77

142670455 has 4 divisors (see below), whose sum is σ = 171204552. Its totient is φ = 114136360.

The previous prime is 142670371. The next prime is 142670467. The reversal of 142670455 is 554076241.

142670455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142670455 - 213 = 142662263 is a prime.

It is a super-3 number, since 3×1426704553 (a number of 25 digits) contains 333 as substring.

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 142670455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14267041 + ... + 14267050.

It is an arithmetic number, because the mean of its divisors is an integer number (42801138).

Almost surely, 2142670455 is an apocalyptic number.

142670455 is a deficient number, since it is larger than the sum of its proper divisors (28534097).

142670455 is an equidigital number, since it uses as much as digits as its factorization.

142670455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28534096.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 142670455 is about 11944.4738268372. The cubic root of 142670455 is about 522.5301433279.

The spelling of 142670455 in words is "one hundred forty-two million, six hundred seventy thousand, four hundred fifty-five".

Divisors: 1 5 28534091 142670455