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3132455440 = 245337116189
BaseRepresentation
bin1011101010110101…
…0111101000010000
322002022021020001011
42322231113220100
522403402033230
61234455220304
7140424301102
oct27255275020
98068236034
103132455440
11136820a154
12735077694
133abc7c83a
1421a045572
15135009e2a
hexbab57a10

3132455440 has 40 divisors (see below), whose sum is σ = 7304632920. Its totient is φ = 1249253376.

The previous prime is 3132455413. The next prime is 3132455453. The reversal of 3132455440 is 445542313.

3132455440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 38416 + 3132417024 = 196^2 + 55968^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31135 + ... + 85054.

It is an arithmetic number, because the mean of its divisors is an integer number (182615823).

Almost surely, 23132455440 is an apocalyptic number.

It is an amenable number.

3132455440 is an abundant number, since it is smaller than the sum of its proper divisors (4172177480).

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

3132455440 is a wasteful number, since it uses less digits than its factorization.

3132455440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116539 (or 116533 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 3132455440 is about 55968.3431950598. The cubic root of 3132455440 is about 1463.1706037994.

Adding to 3132455440 its reverse (445542313), we get a palindrome (3577997753).

The spelling of 3132455440 in words is "three billion, one hundred thirty-two million, four hundred fifty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 337 674 1348 1685 2696 3370 5392 6740 13480 26960 116189 232378 464756 580945 929512 1161890 1859024 2323780 4647560 9295120 39155693 78311386 156622772 195778465 313245544 391556930 626491088 783113860 1566227720 3132455440