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1088331420 = 2235111648987
BaseRepresentation
bin100000011011110…
…1001111010011100
32210211212222001010
41000313221322130
54212103101140
6255554415220
735653443621
oct10067517234
92724788033
101088331420
11509375560
12264591510
131446267b7
14a4782348
156582d880
hex40de9e9c

1088331420 has 48 divisors (see below), whose sum is σ = 3324359808. Its totient is φ = 263837760.

The previous prime is 1088331407. The next prime is 1088331437. The reversal of 1088331420 is 241338801.

1088331420 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 823834 + ... + 825153.

It is an arithmetic number, because the mean of its divisors is an integer number (69257496).

Almost surely, 21088331420 is an apocalyptic number.

1088331420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1088331420 is an abundant number, since it is smaller than the sum of its proper divisors (2236028388).

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

1088331420 is a wasteful number, since it uses less digits than its factorization.

1088331420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649010 (or 1649008 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1088331420 is about 32989.8684447210. The cubic root of 1088331420 is about 1028.6170587671.

The spelling of 1088331420 in words is "one billion, eighty-eight million, three hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 1648987 3297974 4946961 6595948 8244935 9893922 16489870 18138857 19787844 24734805 32979740 36277714 49469610 54416571 72555428 90694285 98939220 108833142 181388570 217666284 272082855 362777140 544165710 1088331420