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3214531140 = 2235371447987
BaseRepresentation
bin1011111110011001…
…1101101001000100
322022000201002201220
42333212131221010
523040404444030
61250550320340
7142442030622
oct27746355104
98260632656
103214531140
1113aa578907
127586590b0
133c2c88942
14226ccc512
1513c31da10
hexbf99da44

3214531140 has 48 divisors (see below), whose sum is σ = 9243955392. Its totient is φ = 834039936.

The previous prime is 3214531127. The next prime is 3214531157. The reversal of 3214531140 is 411354123.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3214531140.

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, 721774 + ... + 726213.

It is an arithmetic number, because the mean of its divisors is an integer number (192582404).

Almost surely, 23214531140 is an apocalyptic number.

3214531140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3214531140 is an abundant number, since it is smaller than the sum of its proper divisors (6029424252).

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

3214531140 is a wasteful number, since it uses less digits than its factorization.

3214531140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448036 (or 1448034 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 3214531140 is about 56696.8353614203. The cubic root of 3214531140 is about 1475.8397807155.

Adding to 3214531140 its reverse (411354123), we get a palindrome (3625885263).

The spelling of 3214531140 in words is "three billion, two hundred fourteen million, five hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 1447987 2895974 4343961 5791948 7239935 8687922 14479870 17375844 21719805 28959740 43439610 53575519 86879220 107151038 160726557 214302076 267877595 321453114 535755190 642906228 803632785 1071510380 1607265570 3214531140