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1504742061 = 3501580687
BaseRepresentation
bin101100110110000…
…1000101010101101
310212212102211001110
41121230020222231
511040203221221
6405151502233
752201045044
oct13154105255
93785384043
101504742061
11702429a89
1235bb27979
131ac992824
14103bb955b
158c184776
hex59b08aad

1504742061 has 4 divisors (see below), whose sum is σ = 2006322752. Its totient is φ = 1003161372.

The previous prime is 1504742059. The next prime is 1504742081. The reversal of 1504742061 is 1602474051.

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 not a de Polignac number, because 1504742061 - 21 = 1504742059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1504742051) 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, 250790341 + ... + 250790346.

It is an arithmetic number, because the mean of its divisors is an integer number (501580688).

Almost surely, 21504742061 is an apocalyptic number.

It is an amenable number.

1504742061 is a deficient number, since it is larger than the sum of its proper divisors (501580691).

1504742061 is an equidigital number, since it uses as much as digits as its factorization.

1504742061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501580690.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1504742061 is about 38791.0048980431. The cubic root of 1504742061 is about 1145.9192635513.

The spelling of 1504742061 in words is "one billion, five hundred four million, seven hundred forty-two thousand, sixty-one".

Divisors: 1 3 501580687 1504742061