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61031332 = 2225759369
BaseRepresentation
bin1110100011010…
…0001110100100
311020211201020201
43220310032210
5111111000312
610020040244
71340520625
oct350641644
9136751221
1061031332
11314a581a
1218533084
13c84b51b
148169a4c
155558557
hex3a343a4

61031332 has 12 divisors (see below), whose sum is σ = 107222220. Its totient is φ = 30396416.

The previous prime is 61031291. The next prime is 61031353. The reversal of 61031332 is 23313016.

It can be written as a sum of positive squares in 2 ways, for example, as 32558436 + 28472896 = 5706^2 + 5336^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28657 + ... + 30712.

It is an arithmetic number, because the mean of its divisors is an integer number (8935185).

Almost surely, 261031332 is an apocalyptic number.

It is an amenable number.

61031332 is a deficient number, since it is larger than the sum of its proper divisors (46190888).

61031332 is a wasteful number, since it uses less digits than its factorization.

61031332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59630 (or 59628 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 61031332 is about 7812.2552441661. The cubic root of 61031332 is about 393.7171047685.

Adding to 61031332 its reverse (23313016), we get a palindrome (84344348).

The spelling of 61031332 in words is "sixty-one million, thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 257 514 1028 59369 118738 237476 15257833 30515666 61031332