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2111304432 = 243130133809
BaseRepresentation
bin111110111010111…
…1111001011110000
312110010210101012110
41331311333023300
513310443220212
6545300325320
7103214535336
oct17565771360
95403711173
102111304432
1199385a2a6
124ab0a3840
13278548383
1416058db56
15c554ba3c
hex7dd7f2f0

2111304432 has 40 divisors (see below), whose sum is σ = 5458556880. Its totient is φ = 703206400.

The previous prime is 2111304431. The next prime is 2111304457. The reversal of 2111304432 is 2344031112.

It is a junction number, because it is equal to n+sod(n) for n = 2111304399 and 2111304408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111304431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45544 + ... + 79352.

It is an arithmetic number, because the mean of its divisors is an integer number (136463922).

Almost surely, 22111304432 is an apocalyptic number.

It is an amenable number.

2111304432 is an abundant number, since it is smaller than the sum of its proper divisors (3347252448).

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

2111304432 is a wasteful number, since it uses less digits than its factorization.

2111304432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35121 (or 35115 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2111304432 is about 45948.9328711778. The cubic root of 2111304432 is about 1282.8728668967.

Adding to 2111304432 its reverse (2344031112), we get a palindrome (4455335544).

The spelling of 2111304432 in words is "two billion, one hundred eleven million, three hundred four thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1301 2602 3903 5204 7806 10408 15612 20816 31224 33809 62448 67618 101427 135236 202854 270472 405708 540944 811416 1622832 43985509 87971018 131956527 175942036 263913054 351884072 527826108 703768144 1055652216 2111304432