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45030427 = 133463879
BaseRepresentation
bin1010101111000…
…1110000011011
310010201210010121
42223301300123
543011433202
64245054111
71054516021
oct253616033
9103653117
1045030427
1123467032
12130b7337
139438430
145da2711
153e47537
hex2af1c1b

45030427 has 4 divisors (see below), whose sum is σ = 48494320. Its totient is φ = 41566536.

The previous prime is 45030421. The next prime is 45030431. The reversal of 45030427 is 72403054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72403054 = 236201527.

It is a cyclic number.

It is not a de Polignac number, because 45030427 - 27 = 45030299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45030421) 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, 1731927 + ... + 1731952.

It is an arithmetic number, because the mean of its divisors is an integer number (12123580).

Almost surely, 245030427 is an apocalyptic number.

45030427 is a deficient number, since it is larger than the sum of its proper divisors (3463893).

45030427 is a wasteful number, since it uses less digits than its factorization.

45030427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463892.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 45030427 is about 6710.4714439449. The cubic root of 45030427 is about 355.7694794929.

The spelling of 45030427 in words is "forty-five million, thirty thousand, four hundred twenty-seven".

Divisors: 1 13 3463879 45030427