Search a number
-
+
2258306830 = 251373237967
BaseRepresentation
bin1000011010011011…
…0000011100001110
312211101101212120201
42012212300130032
514111111304310
61012031204114
7106651201633
oct20646603416
95741355521
102258306830
11a5983438a
1253037663a
1329cb37a40
14175cd818a
15d33d7e3a
hex869b070e

2258306830 has 32 divisors (see below), whose sum is σ = 4437627264. Its totient is φ = 822410496.

The previous prime is 2258306789. The next prime is 2258306837. The reversal of 2258306830 is 386038522.

It is a self number, because there is not a number n which added to its sum of digits gives 2258306830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258306837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109494 + ... + 128473.

It is an arithmetic number, because the mean of its divisors is an integer number (138675852).

Almost surely, 22258306830 is an apocalyptic number.

2258306830 is a deficient number, since it is larger than the sum of its proper divisors (2179320434).

2258306830 is a wasteful number, since it uses less digits than its factorization.

2258306830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238060.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 2258306830 is about 47521.6459100482. The cubic root of 2258306830 is about 1311.9813131726.

The spelling of 2258306830 in words is "two billion, two hundred fifty-eight million, three hundred six thousand, eight hundred thirty".

Divisors: 1 2 5 10 13 26 65 73 130 146 365 730 949 1898 4745 9490 237967 475934 1189835 2379670 3093571 6187142 15467855 17371591 30935710 34743182 86857955 173715910 225830683 451661366 1129153415 2258306830