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2045000371 = 10719112153
BaseRepresentation
bin111100111100100…
…0011101010110011
312021112000210010111
41321321003222303
513142010002441
6534531242151
7101451134131
oct17171035263
95245023114
102045000371
1195a393057
12490a49357
132678a1bbb
14155850751
15be801081
hex79e43ab3

2045000371 has 4 divisors (see below), whose sum is σ = 2064112632. Its totient is φ = 2025888112.

The previous prime is 2045000359. The next prime is 2045000413. The reversal of 2045000371 is 1730005402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1730005402 = 2865002701.

It is a cyclic number.

It is not a de Polignac number, because 2045000371 - 223 = 2036611763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045000341) 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, 9555970 + ... + 9556183.

It is an arithmetic number, because the mean of its divisors is an integer number (516028158).

Almost surely, 22045000371 is an apocalyptic number.

2045000371 is a deficient number, since it is larger than the sum of its proper divisors (19112261).

2045000371 is a wasteful number, since it uses less digits than its factorization.

2045000371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19112260.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2045000371 is about 45221.6803203950. The cubic root of 2045000371 is about 1269.3005367773.

Adding to 2045000371 its reverse (1730005402), we get a palindrome (3775005773).

The spelling of 2045000371 in words is "two billion, forty-five million, three hundred seventy-one", and thus it is an aban number.

Divisors: 1 107 19112153 2045000371