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474015013 = 641739493
BaseRepresentation
bin11100010000001…
…110010100100101
31020000221110100121
4130100032110211
51432321440023
6115011441541
714514026653
oct3420162445
91200843317
10474015013
1122362954a
121128b62b1
1377287774
1446d4ddd3
152b933d5d
hex1c40e525

474015013 has 4 divisors (see below), whose sum is σ = 474755148. Its totient is φ = 473274880.

The previous prime is 474015011. The next prime is 474015037. The reversal of 474015013 is 310510474.

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 407151684 + 66863329 = 20178^2 + 8177^2 .

It is a cyclic number.

It is not a de Polignac number, because 474015013 - 21 = 474015011 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 (474015011) 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, 369106 + ... + 370387.

It is an arithmetic number, because the mean of its divisors is an integer number (118688787).

Almost surely, 2474015013 is an apocalyptic number.

It is an amenable number.

474015013 is a deficient number, since it is larger than the sum of its proper divisors (740135).

474015013 is an equidigital number, since it uses as much as digits as its factorization.

474015013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740134.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 474015013 is about 21771.8858393112. The cubic root of 474015013 is about 779.7056817484.

Adding to 474015013 its reverse (310510474), we get a palindrome (784525487).

The spelling of 474015013 in words is "four hundred seventy-four million, fifteen thousand, thirteen".

Divisors: 1 641 739493 474015013