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1030431404 = 221799715199
BaseRepresentation
bin111101011010110…
…010001010101100
32122210221100011002
4331122302022230
54102242301104
6250125415432
734351344122
oct7532621254
92583840132
101030431404
11489719402
1224910a578
13135633632
149abcd912
15606e301e
hex3d6b22ac

1030431404 has 24 divisors (see below), whose sum is σ = 1911369600. Its totient is φ = 484390656.

The previous prime is 1030431379. The next prime is 1030431419. The reversal of 1030431404 is 4041340301.

It is a happy number.

It is a super-2 number, since 2×10304314042 = 2123577756698822432, which contains 22 as substring.

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, 60197 + ... + 75395.

It is an arithmetic number, because the mean of its divisors is an integer number (79640400).

Almost surely, 21030431404 is an apocalyptic number.

It is an amenable number.

1030431404 is a deficient number, since it is larger than the sum of its proper divisors (880938196).

1030431404 is a wasteful number, since it uses less digits than its factorization.

1030431404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16217 (or 16215 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1030431404 is about 32100.3333939073. Note that the first 4 decimals coincide. The cubic root of 1030431404 is about 1010.0426097110.

Adding to 1030431404 its reverse (4041340301), we get a palindrome (5071771705).

The spelling of 1030431404 in words is "one billion, thirty million, four hundred thirty-one thousand, four hundred four".

Divisors: 1 2 4 17 34 68 997 1994 3988 15199 16949 30398 33898 60796 67796 258383 516766 1033532 15153403 30306806 60613612 257607851 515215702 1030431404