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2258230940 = 225719848959
BaseRepresentation
bin1000011010011001…
…1101111010011100
312211101021000110222
42012212131322130
514111101342230
61012025420512
7106650434450
oct20646357234
95741230428
102258230940
11a59792369
1253033a738
1329cb0c334
14175cb8660
15d33c06e5
hex8699de9c

2258230940 has 48 divisors (see below), whose sum is σ = 5705011200. Its totient is φ = 733499712.

The previous prime is 2258230901. The next prime is 2258230993. The reversal of 2258230940 is 490328522.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 2258230940.

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 15 ways as a sum of consecutive naturals, for example, 421820 + ... + 427139.

It is an arithmetic number, because the mean of its divisors is an integer number (118854400).

Almost surely, 22258230940 is an apocalyptic number.

2258230940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2258230940 is an abundant number, since it is smaller than the sum of its proper divisors (3446780260).

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

2258230940 is a wasteful number, since it uses less digits than its factorization.

2258230940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848994 (or 848992 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 2258230940 is about 47520.8474251039. The cubic root of 2258230940 is about 1311.9666167083.

The spelling of 2258230940 in words is "two billion, two hundred fifty-eight million, two hundred thirty thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 532 665 1330 2660 848959 1697918 3395836 4244795 5942713 8489590 11885426 16130221 16979180 23770852 29713565 32260442 59427130 64520884 80651105 112911547 118854260 161302210 225823094 322604420 451646188 564557735 1129115470 2258230940