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45520369 = 311468399
BaseRepresentation
bin1010110110100…
…1010111110001
310011122200012121
42231221113301
543123122434
64303354241
71061626306
oct255512761
9104580177
1045520369
1123771144
12132b2981
13957a43b
14608d0ad
153ee27b4
hex2b695f1

45520369 has 4 divisors (see below), whose sum is σ = 46988800. Its totient is φ = 44051940.

The previous prime is 45520367. The next prime is 45520411. The reversal of 45520369 is 96302554.

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 a cyclic number.

It is not a de Polignac number, because 45520369 - 21 = 45520367 is a prime.

It is a super-2 number, since 2×455203692 = 4144207987792322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45520361) 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, 734169 + ... + 734230.

It is an arithmetic number, because the mean of its divisors is an integer number (11747200).

Almost surely, 245520369 is an apocalyptic number.

It is an amenable number.

45520369 is a deficient number, since it is larger than the sum of its proper divisors (1468431).

45520369 is a wasteful number, since it uses less digits than its factorization.

45520369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468430.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 45520369 is about 6746.8784634081. The cubic root of 45520369 is about 357.0551141936.

The spelling of 45520369 in words is "forty-five million, five hundred twenty thousand, three hundred sixty-nine".

Divisors: 1 31 1468399 45520369