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1030442404 = 22257610601
BaseRepresentation
bin111101011010110…
…100110110100100
32122210221220020111
4331122310312210
54102243124104
6250125542404
734351421155
oct7532646644
92583856214
101030442404
114897266a2
12249114a04
13135638644
149abd392c
15606e6404
hex3d6b4da4

1030442404 has 6 divisors (see below), whose sum is σ = 1803274214. Its totient is φ = 515221200.

The previous prime is 1030442401. The next prime is 1030442407. The reversal of 1030442404 is 4042440301.

It is an interprime number because it is at equal distance from previous prime (1030442401) and next prime (1030442407).

It can be written as a sum of positive squares in only one way, i.e., 1017482404 + 12960000 = 31898^2 + 3600^2 .

It is a super-2 number, since 2×10304424042 = 2123623095922598432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1030442401) 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 as a sum of consecutive naturals, namely, 128805297 + ... + 128805304.

Almost surely, 21030442404 is an apocalyptic number.

It is an amenable number.

1030442404 is a deficient number, since it is larger than the sum of its proper divisors (772831810).

1030442404 is a wasteful number, since it uses less digits than its factorization.

1030442404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257610605 (or 257610603 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1030442404 is about 32100.5047312344. The cubic root of 1030442404 is about 1010.0462038138.

Adding to 1030442404 its reverse (4042440301), we get a palindrome (5072882705).

The spelling of 1030442404 in words is "one billion, thirty million, four hundred forty-two thousand, four hundred four".

Divisors: 1 2 4 257610601 515221202 1030442404