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2258390020 = 2251493592111
BaseRepresentation
bin1000011010011100…
…0100110000000100
312211101120002200211
42012213010300010
514111121440040
61012033045204
7106651666315
oct20647046004
95741502624
102258390020
11a59890937
125303b6804
1329cb66873
14175d1a60c
15d34028ea
hex869c4c04

2258390020 has 48 divisors (see below), whose sum is σ = 4790016000. Its totient is φ = 894369920.

The previous prime is 2258390011. The next prime is 2258390039. The reversal of 2258390020 is 200938522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1068765 + ... + 1070875.

It is an arithmetic number, because the mean of its divisors is an integer number (99792000).

Almost surely, 22258390020 is an apocalyptic number.

2258390020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2258390020 is an abundant number, since it is smaller than the sum of its proper divisors (2531625980).

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

2258390020 is a wasteful number, since it uses less digits than its factorization.

2258390020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628 (or 2626 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2258390020 is about 47522.5211873276. The cubic root of 2258390020 is about 1311.9974229389.

The spelling of 2258390020 in words is "two billion, two hundred fifty-eight million, three hundred ninety thousand, twenty".

Divisors: 1 2 4 5 10 20 149 298 359 596 718 745 1436 1490 1795 2111 2980 3590 4222 7180 8444 10555 21110 42220 53491 106982 213964 267455 314539 534910 629078 757849 1069820 1258156 1515698 1572695 3031396 3145390 3789245 6290780 7578490 15156980 112919501 225839002 451678004 564597505 1129195010 2258390020