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2054791420 = 22511127251293
BaseRepresentation
bin111101001111001…
…1010000011111100
312022012110012220221
41322132122003330
513202011311140
6535521151124
7101630303353
oct17236320374
95265405827
102054791420
11964970230
1249418b4a4
1326991c616
14156c7c99a
15c05d714a
hex7a79a0fc

2054791420 has 96 divisors (see below), whose sum is σ = 4779565056. Its totient is φ = 735840000.

The previous prime is 2054791391. The next prime is 2054791447. The reversal of 2054791420 is 241974502.

It is a congruent number.

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, 7012794 + ... + 7013086.

It is an arithmetic number, because the mean of its divisors is an integer number (49787136).

Almost surely, 22054791420 is an apocalyptic number.

2054791420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2054791420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2389782528).

2054791420 is an abundant number, since it is smaller than the sum of its proper divisors (2724773636).

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

2054791420 is a wasteful number, since it uses less digits than its factorization.

2054791420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2054791420 is about 45329.8071912952. The cubic root of 2054791420 is about 1271.3230306944.

The spelling of 2054791420 in words is "two billion, fifty-four million, seven hundred ninety-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 127 220 251 254 293 502 508 586 635 1004 1172 1255 1270 1397 1465 2510 2540 2761 2794 2930 3223 5020 5522 5588 5860 6446 6985 11044 12892 13805 13970 16115 27610 27940 31877 32230 37211 55220 63754 64460 73543 74422 127508 147086 148844 159385 186055 294172 318770 350647 367715 372110 409321 637540 701294 735430 744220 808973 818642 1402588 1470860 1617946 1637284 1753235 2046605 3235892 3506470 4044865 4093210 7012940 8089730 8186420 9339961 16179460 18679922 37359844 46699805 93399610 102739571 186799220 205479142 410958284 513697855 1027395710 2054791420