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2054557460 = 2253715231823
BaseRepresentation
bin111101001110110…
…0000111100010100
312022012000022222202
41322131200330110
513201431314320
6535512144032
7101625310304
oct17235407424
95265008882
102054557460
1196482047a
12494098018
13269869c97
14156c1b604
15c058cb75
hex7a760f14

2054557460 has 48 divisors (see below), whose sum is σ = 4436522496. Its totient is φ = 798648192.

The previous prime is 2054557447. The next prime is 2054557489. The reversal of 2054557460 is 647554502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1126109 + ... + 1127931.

It is an arithmetic number, because the mean of its divisors is an integer number (92427552).

Almost surely, 22054557460 is an apocalyptic number.

2054557460 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 2054557460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2218261248).

2054557460 is an abundant number, since it is smaller than the sum of its proper divisors (2381965036).

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

2054557460 is a wasteful number, since it uses less digits than its factorization.

2054557460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392 (or 3390 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 38.

The square root of 2054557460 is about 45327.2264759272. The cubic root of 2054557460 is about 1271.2747776174.

The spelling of 2054557460 in words is "two billion, fifty-four million, five hundred fifty-seven thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 1523 1823 3046 3646 6092 7292 7615 9115 15230 18230 30460 36460 56351 67451 112702 134902 225404 269804 281755 337255 563510 674510 1127020 1349020 2776429 5552858 11105716 13882145 27764290 55528580 102727873 205455746 410911492 513639365 1027278730 2054557460