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1606234145 = 5321246829
BaseRepresentation
bin101111110111101…
…0011000000100001
311010221102011000112
41133233103000201
511242143443040
6423215101105
754542523245
oct13757230041
94127364015
101606234145
1175474a53a
12389b11795
131c7a09509
14113478425
1596031365
hex5fbd3021

1606234145 has 4 divisors (see below), whose sum is σ = 1927480980. Its totient is φ = 1284987312.

The previous prime is 1606234109. The next prime is 1606234153. The reversal of 1606234145 is 5414326061.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1144671889 + 461562256 = 33833^2 + 21484^2 .

It is a cyclic number.

It is not a de Polignac number, because 1606234145 - 212 = 1606230049 is a prime.

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, 160623410 + ... + 160623419.

It is an arithmetic number, because the mean of its divisors is an integer number (481870245).

Almost surely, 21606234145 is an apocalyptic number.

It is an amenable number.

1606234145 is a deficient number, since it is larger than the sum of its proper divisors (321246835).

1606234145 is an equidigital number, since it uses as much as digits as its factorization.

1606234145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321246834.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1606234145 is about 40077.8510526700. The cubic root of 1606234145 is about 1171.1241891633.

The spelling of 1606234145 in words is "one billion, six hundred six million, two hundred thirty-four thousand, one hundred forty-five".

Divisors: 1 5 321246829 1606234145