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3440431242 = 232829230561
BaseRepresentation
bin1100110100010000…
…1101000010001010
322212202210000102100
43031010031002022
524021222244432
61325220214230
7151154116533
oct31504150212
98782700370
103440431242
111506040a06
1280023a376
1342aa10a41
14248cd368a
1515209207c
hexcd10d08a

3440431242 has 24 divisors (see below), whose sum is σ = 7463291940. Its totient is φ = 1145422080.

The previous prime is 3440431223. The next prime is 3440431271. The reversal of 3440431242 is 2421340443.

It is a happy number.

3440431242 is a `hidden beast` number, since 344 + 0 + 4 + 312 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3054662361 + 385768881 = 55269^2 + 19641^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100359 + ... + 130202.

Almost surely, 23440431242 is an apocalyptic number.

3440431242 is an abundant number, since it is smaller than the sum of its proper divisors (4022860698).

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

3440431242 is a wasteful number, since it uses less digits than its factorization.

3440431242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231398 (or 231395 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 3440431242 is about 58655.1893867883. The cubic root of 3440431242 is about 1509.6315405825.

Adding to 3440431242 its reverse (2421340443), we get a palindrome (5861771685).

The spelling of 3440431242 in words is "three billion, four hundred forty million, four hundred thirty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 829 1658 2487 4974 7461 14922 230561 461122 691683 1383366 2075049 4150098 191135069 382270138 573405207 1146810414 1720215621 3440431242