Base | Representation |
---|---|
bin | 111110001000010… |
… | …000011110011111 |
3 | 2200122100222011210 |
4 | 332020100132133 |
5 | 4113320231111 |
6 | 251233115503 |
7 | 34554563130 |
oct | 7610203637 |
9 | 2618328153 |
10 | 1042352031 |
11 | 495420566 |
12 | 2510b8b93 |
13 | 137c48466 |
14 | 9c613c87 |
15 | 6179a0a6 |
hex | 3e21079f |
1042352031 has 32 divisors (see below), whose sum is σ = 1621355008. Its totient is φ = 583355520.
The previous prime is 1042352023. The next prime is 1042352039. The reversal of 1042352031 is 1302532401.
It is an interprime number because it is at equal distance from previous prime (1042352023) and next prime (1042352039).
It is not a de Polignac number, because 1042352031 - 23 = 1042352023 is a prime.
It is a super-2 number, since 2×10423520312 = 2172995513059649922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 1042351989 and 1042352007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1042352039) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252621 + ... + 256713.
It is an arithmetic number, because the mean of its divisors is an integer number (50667344).
Almost surely, 21042352031 is an apocalyptic number.
1042352031 is a deficient number, since it is larger than the sum of its proper divisors (579002977).
1042352031 is a wasteful number, since it uses less digits than its factorization.
1042352031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4351.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 1042352031 is about 32285.4770911009. The cubic root of 1042352031 is about 1013.9226051515.
Adding to 1042352031 its reverse (1302532401), we get a palindrome (2344884432).
The spelling of 1042352031 in words is "one billion, forty-two million, three hundred fifty-two thousand, thirty-one".
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