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474155137 = 3115295327
BaseRepresentation
bin11100010000110…
…000100010000001
31020001012120120101
4130100300202001
51432340431022
6115014442401
714515152331
oct3420604201
91201176511
10474155137
11223714855
12112963401
1377306491
1446d890c1
152b960627
hex1c430881

474155137 has 4 divisors (see below), whose sum is σ = 489450496. Its totient is φ = 458859780.

The previous prime is 474155131. The next prime is 474155147. The reversal of 474155137 is 731551474.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-474155137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 474155096 and 474155105.

It is not an unprimeable number, because it can be changed into a prime (474155131) 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, 7647633 + ... + 7647694.

It is an arithmetic number, because the mean of its divisors is an integer number (122362624).

Almost surely, 2474155137 is an apocalyptic number.

It is an amenable number.

474155137 is a deficient number, since it is larger than the sum of its proper divisors (15295359).

474155137 is a wasteful number, since it uses less digits than its factorization.

474155137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15295358.

The product of its digits is 58800, while the sum is 37.

The square root of 474155137 is about 21775.1036048052. The cubic root of 474155137 is about 779.7825040093.

The spelling of 474155137 in words is "four hundred seventy-four million, one hundred fifty-five thousand, one hundred thirty-seven".

Divisors: 1 31 15295327 474155137