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4440831731 = 72101897319
BaseRepresentation
bin1000010001011000…
…11011011011110011
3102110111012121220022
410020230123123303
533043323103411
62012354234055
7215022306200
oct41054333363
912414177808
104440831731
111979808676
12a3b28592b
1355a05b2ab
14301b06ca7
151aed01edb
hex108b1b6f3

4440831731 has 12 divisors (see below), whose sum is σ = 5217018480. Its totient is φ = 3768735600.

The previous prime is 4440831709. The next prime is 4440831739. The reversal of 4440831731 is 1371380444.

It is not a de Polignac number, because 4440831731 - 26 = 4440831667 is a prime.

It is a super-2 number, since 2×44408317312 = 39441972926112912722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4440831691 and 4440831700.

It is not an unprimeable number, because it can be changed into a prime (4440831739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 443711 + ... + 453608.

It is an arithmetic number, because the mean of its divisors is an integer number (434751540).

Almost surely, 24440831731 is an apocalyptic number.

4440831731 is a deficient number, since it is larger than the sum of its proper divisors (776186749).

4440831731 is a wasteful number, since it uses less digits than its factorization.

4440831731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897434 (or 897427 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 4440831731 is about 66639.5658074090. The cubic root of 4440831731 is about 1643.6957762506.

The spelling of 4440831731 in words is "four billion, four hundred forty million, eight hundred thirty-one thousand, seven hundred thirty-one".

Divisors: 1 7 49 101 707 4949 897319 6281233 43968631 90629219 634404533 4440831731