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1030138 = 22917761
BaseRepresentation
bin11111011011111111010
31221100002021
43323133322
5230431023
634025054
711520214
oct3733772
91840067
101030138
11643a5a
1241818a
132a0b65
141cb5b4
1515535d
hexfb7fa

1030138 has 8 divisors (see below), whose sum is σ = 1598580. Its totient is φ = 497280.

The previous prime is 1030121. The next prime is 1030153. The reversal of 1030138 is 8310301.

It can be written as a sum of positive squares in 2 ways, for example, as 1026169 + 3969 = 1013^2 + 63^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10301382 = 2122368598088, which contains 22 as substring.

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, 8823 + ... + 8938.

21030138 is an apocalyptic number.

1030138 is a deficient number, since it is larger than the sum of its proper divisors (568442).

1030138 is a wasteful number, since it uses less digits than its factorization.

1030138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17792.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1030138 is about 1014.9571419523. The cubic root of 1030138 is about 100.9946734439.

Adding to 1030138 its reverse (8310301), we get a palindrome (9340439).

The spelling of 1030138 in words is "one million, thirty thousand, one hundred thirty-eight".

Divisors: 1 2 29 58 17761 35522 515069 1030138