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2044457345 = 57731994021
BaseRepresentation
bin111100111011011…
…1111000110000001
312021111000012020102
41321312333012001
513141340113340
6534511452145
7101443413020
oct17166770601
95244005212
102044457345
1195a052077
12490827055
13267741998
1415574c8b7
15be745215
hex79dbf181

2044457345 has 32 divisors (see below), whose sum is σ = 2857228800. Its totient is φ = 1375418880.

The previous prime is 2044457339. The next prime is 2044457357. The reversal of 2044457345 is 5437544402.

It is a happy number.

It is not a de Polignac number, because 2044457345 - 210 = 2044456321 is a prime.

It is a super-3 number, since 3×20444573453 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2044457299 and 2044457308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506435 + ... + 510455.

It is an arithmetic number, because the mean of its divisors is an integer number (89288400).

Almost surely, 22044457345 is an apocalyptic number.

It is an amenable number.

2044457345 is a deficient number, since it is larger than the sum of its proper divisors (812771455).

2044457345 is a wasteful number, since it uses less digits than its factorization.

2044457345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305.

The product of its (nonzero) digits is 268800, while the sum is 38.

The square root of 2044457345 is about 45215.6758768461. The cubic root of 2044457345 is about 1269.1881775131.

The spelling of 2044457345 in words is "two billion, forty-four million, four hundred fifty-seven thousand, three hundred forty-five".

Divisors: 1 5 7 35 73 199 365 511 995 1393 2555 4021 6965 14527 20105 28147 72635 101689 140735 293533 508445 800179 1467665 2054731 4000895 5601253 10273655 28006265 58413067 292065335 408891469 2044457345