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2054581390 = 251012034239
BaseRepresentation
bin111101001110110…
…0110110010001110
312022012001112211001
41322131212302032
513201433101030
6535512450514
7101625440131
oct17235466216
95265045731
102054581390
11964837454
124940a9a3a
13269877b44
14156c26218
15c0594cca
hex7a766c8e

2054581390 has 16 divisors (see below), whose sum is σ = 3734864640. Its totient is φ = 813695200.

The previous prime is 2054581387. The next prime is 2054581429. The reversal of 2054581390 is 931854502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016110 + ... + 1018129.

It is an arithmetic number, because the mean of its divisors is an integer number (233429040).

Almost surely, 22054581390 is an apocalyptic number.

2054581390 is a deficient number, since it is larger than the sum of its proper divisors (1680283250).

2054581390 is a wasteful number, since it uses less digits than its factorization.

2054581390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034347.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 2054581390 is about 45327.4904445415. The cubic root of 2054581390 is about 1271.2797132281.

The spelling of 2054581390 in words is "two billion, fifty-four million, five hundred eighty-one thousand, three hundred ninety".

Divisors: 1 2 5 10 101 202 505 1010 2034239 4068478 10171195 20342390 205458139 410916278 1027290695 2054581390