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2054395480 = 235349147163
BaseRepresentation
bin111101001110011…
…1001011001011000
312022011201002210111
41322130321121120
513201411123410
6535504454104
7101624034124
oct17234713130
95264632714
102054395480
1196471a805
1249401a334
13269811337
14156bb8584
15c0559b8a
hex7a739658

2054395480 has 32 divisors (see below), whose sum is σ = 4635666000. Its totient is φ = 819398016.

The previous prime is 2054395433. The next prime is 2054395493. The reversal of 2054395480 is 845934502.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59622 + ... + 87541.

Almost surely, 22054395480 is an apocalyptic number.

2054395480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2054395480 is an abundant number, since it is smaller than the sum of its proper divisors (2581270520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2054395480 is a wasteful number, since it uses less digits than its factorization.

2054395480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147523 (or 147519 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 2054395480 is about 45325.4396558930. The cubic root of 2054395480 is about 1271.2413679085.

The spelling of 2054395480 in words is "two billion, fifty-four million, three hundred ninety-five thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 349 698 1396 1745 2792 3490 6980 13960 147163 294326 588652 735815 1177304 1471630 2943260 5886520 51359887 102719774 205439548 256799435 410879096 513598870 1027197740 2054395480