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3124431420 = 2235114733987
BaseRepresentation
bin1011101000111011…
…0000101000111100
322001202011120011020
42322032300220330
522344323301140
61234011224140
7140266141335
oct27216605074
98052146136
103124431420
111363729630
12732448050
133aa4004b6
14218d5728c
151344726d0
hexba3b0a3c

3124431420 has 48 divisors (see below), whose sum is σ = 9543719808. Its totient is φ = 757437760.

The previous prime is 3124431403. The next prime is 3124431437. The reversal of 3124431420 is 241344213.

3124431420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3124431403) and next prime (3124431437).

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, 2366334 + ... + 2367653.

It is an arithmetic number, because the mean of its divisors is an integer number (198827496).

Almost surely, 23124431420 is an apocalyptic number.

3124431420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3124431420 is an abundant number, since it is smaller than the sum of its proper divisors (6419288388).

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

3124431420 is a wasteful number, since it uses less digits than its factorization.

3124431420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734010 (or 4734008 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 3124431420 is about 55896.6136720285. The cubic root of 3124431420 is about 1461.9201950346.

Adding to 3124431420 its reverse (241344213), we get a palindrome (3365775633).

The spelling of 3124431420 in words is "three billion, one hundred twenty-four million, four 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 4733987 9467974 14201961 18935948 23669935 28403922 47339870 52073857 56807844 71009805 94679740 104147714 142019610 156221571 208295428 260369285 284039220 312443142 520738570 624886284 781107855 1041477140 1562215710 3124431420