Base | Representation |
---|---|
bin | 100101100111001… |
… | …100100011110101 |
3 | 1121222101202020112 |
4 | 211213030203311 |
5 | 2243021011203 |
6 | 142341112405 |
7 | 21431453411 |
oct | 4547144365 |
9 | 1558352215 |
10 | 631032053 |
11 | 2a42237a3 |
12 | 1573b8705 |
13 | a0972562 |
14 | 5db43d41 |
15 | 3a5ec6d8 |
hex | 259cc8f5 |
631032053 has 4 divisors (see below), whose sum is σ = 633087840. Its totient is φ = 628976268.
The previous prime is 631032041. The next prime is 631032067. The reversal of 631032053 is 350230136.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 631032053 - 24 = 631032037 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (631232053) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027433 + ... + 1028046.
It is an arithmetic number, because the mean of its divisors is an integer number (158271960).
Almost surely, 2631032053 is an apocalyptic number.
It is an amenable number.
631032053 is a deficient number, since it is larger than the sum of its proper divisors (2055787).
631032053 is a wasteful number, since it uses less digits than its factorization.
631032053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2055786.
The product of its (nonzero) digits is 1620, while the sum is 23.
The square root of 631032053 is about 25120.3513709502. The cubic root of 631032053 is about 857.7297490895.
Adding to 631032053 its reverse (350230136), we get a palindrome (981262189).
It can be divided in two parts, 63103 and 2053, that added together give a palindrome (65156).
The spelling of 631032053 in words is "six hundred thirty-one million, thirty-two thousand, fifty-three".
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