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142671553 = 2310757973
BaseRepresentation
bin10001000000011…
…11111011000001
3100221110110120121
420200033323001
5243010442203
622053540241
73351455023
oct1040177301
9327413517
10142671553
1173597282
123b944681
132373434b
1414d3c013
15c7d30bd
hex880fec1

142671553 has 8 divisors (see below), whose sum is σ = 150268608. Its totient is φ = 135190704.

The previous prime is 142671547. The next prime is 142671611. The reversal of 142671553 is 355176241.

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 142671553 - 213 = 142663361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142671533) 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, 26526 + ... + 31447.

It is an arithmetic number, because the mean of its divisors is an integer number (18783576).

Almost surely, 2142671553 is an apocalyptic number.

It is an amenable number.

142671553 is a deficient number, since it is larger than the sum of its proper divisors (7597055).

142671553 is a wasteful number, since it uses less digits than its factorization.

142671553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58103.

The product of its digits is 25200, while the sum is 34.

The square root of 142671553 is about 11944.5197894264. The cubic root of 142671553 is about 522.5314837984.

The spelling of 142671553 in words is "one hundred forty-two million, six hundred seventy-one thousand, five hundred fifty-three".

Divisors: 1 23 107 2461 57973 1333379 6203111 142671553