Search a number
127630 = 2512763
BaseRepresentation
bin11111001010001110
320111002001
4133022032
513041010
62422514
71041046
oct371216
9214061
10127630
1187988
1261a3a
1346129
1434726
1527c3a
hex1f28e

127630 has 8 divisors (see below), whose sum is σ = 229752. Its totient is φ = 51048.

The previous prime is 127609. The next prime is 127637. The reversal of 127630 is 36721.

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

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 127598 and 127607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127637) 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, 6372 + ... + 6391.

It is an arithmetic number, because the mean of its divisors is an integer number (28719).

2127630 is an apocalyptic number.

127630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127630 is a deficient number, since it is larger than the sum of its proper divisors (102122).

127630 is a wasteful number, since it uses less digits than its factorization.

127630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12770.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 127630 is about 357.2534114603. The cubic root of 127630 is about 50.3482356743.

Subtracting from 127630 its reverse (36721), we obtain a palindrome (90909).

It can be divided in two parts, 127 and 630, that added together give a palindrome (757).

The spelling of 127630 in words is "one hundred twenty-seven thousand, six hundred thirty".

Divisors: 1 2 5 10 12763 25526 63815 127630