Base | Representation |
---|---|
bin | 100101011010101… |
… | …001100010101110 |
3 | 1121202012122100211 |
4 | 211122221202232 |
5 | 2241200233034 |
6 | 142142413034 |
7 | 21361504132 |
oct | 4532514256 |
9 | 1552178324 |
10 | 627742894 |
11 | 2a2387589 |
12 | 15629117a |
13 | a00903cc |
14 | 5d5293c2 |
15 | 3a19cd64 |
hex | 256a98ae |
627742894 has 8 divisors (see below), whose sum is σ = 941969808. Its totient is φ = 313752960.
The previous prime is 627742891. The next prime is 627742943. The reversal of 627742894 is 498247726.
It is a happy number.
627742894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×6277428942 = 788122281934990472, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (627742891) 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, 52467 + ... + 63310.
It is an arithmetic number, because the mean of its divisors is an integer number (117746226).
Almost surely, 2627742894 is an apocalyptic number.
627742894 is a deficient number, since it is larger than the sum of its proper divisors (314226914).
627742894 is a wasteful number, since it uses less digits than its factorization.
627742894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118490.
The product of its digits is 1354752, while the sum is 49.
The square root of 627742894 is about 25054.7978239698. The cubic root of 627742894 is about 856.2368901753.
The spelling of 627742894 in words is "six hundred twenty-seven million, seven hundred forty-two thousand, eight hundred ninety-four".
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