Base | Representation |
---|---|
bin | 100100010101… |
… | …1100001010111 |
3 | 1022211222022000 |
4 | 1020223201113 |
5 | 14334141011 |
6 | 1520210343 |
7 | 320642013 |
oct | 110534127 |
9 | 38758260 |
10 | 19052631 |
11 | a833584 |
12 | 64699b3 |
13 | 3c41160 |
14 | 275d543 |
15 | 1a15356 |
hex | 122b857 |
19052631 has 64 divisors (see below), whose sum is σ = 33546240. Its totient is φ = 10575360.
The previous prime is 19052629. The next prime is 19052633. The reversal of 19052631 is 13625091.
It is an interprime number because it is at equal distance from previous prime (19052629) and next prime (19052633).
It is not a de Polignac number, because 19052631 - 21 = 19052629 is a prime.
It is a super-2 number, since 2×190526312 = 726005496044322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 19052595 and 19052604.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19052633) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 184926 + ... + 185028.
It is an arithmetic number, because the mean of its divisors is an integer number (524160).
Almost surely, 219052631 is an apocalyptic number.
19052631 is a deficient number, since it is larger than the sum of its proper divisors (14493609).
19052631 is a wasteful number, since it uses less digits than its factorization.
19052631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173 (or 167 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 27.
The square root of 19052631 is about 4364.9319582326. The cubic root of 19052631 is about 267.0863248202.
It can be divided in two parts, 19052 and 631, that added together give a 9-th power (19683 = 39).
The spelling of 19052631 in words is "nineteen million, fifty-two thousand, six hundred thirty-one".
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