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45419401 = 63897109
BaseRepresentation
bin1010110101000…
…0101110001001
310011110112201001
42231100232021
543111410101
64301255001
71061026036
oct255205611
9104415631
1045419401
11237022a5
1213264461
1395434b1
14606438d
153ec2901
hex2b50b89

45419401 has 4 divisors (see below), whose sum is σ = 45432900. Its totient is φ = 45405904.

The previous prime is 45419399. The next prime is 45419449. The reversal of 45419401 is 10491454.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2175625 + 43243776 = 1475^2 + 6576^2 .

It is a cyclic number.

It is not a de Polignac number, because 45419401 - 21 = 45419399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45419401.

It is not an unprimeable number, because it can be changed into a prime (45419471) 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, 2835 + ... + 9943.

It is an arithmetic number, because the mean of its divisors is an integer number (11358225).

Almost surely, 245419401 is an apocalyptic number.

It is an amenable number.

45419401 is a deficient number, since it is larger than the sum of its proper divisors (13499).

45419401 is an equidigital number, since it uses as much as digits as its factorization.

45419401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13498.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 45419401 is about 6739.3917381319. The cubic root of 45419401 is about 356.7909260271.

The spelling of 45419401 in words is "forty-five million, four hundred nineteen thousand, four hundred one".

Divisors: 1 6389 7109 45419401