Search a number
-
+
1630113 = 31731963
BaseRepresentation
bin110001101111110100001
310001211002120
412031332201
5404130423
654534453
716566342
oct6157641
93054076
101630113
11a13801
12667429
13450c84
143060c9
15222ee3
hex18dfa1

1630113 has 8 divisors (see below), whose sum is σ = 2301408. Its totient is φ = 1022784.

The previous prime is 1630093. The next prime is 1630117. The reversal of 1630113 is 3110361.

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

It is not a de Polignac number, because 1630113 - 26 = 1630049 is a prime.

1630113 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1630092 and 1630101.

It is not an unprimeable number, because it can be changed into a prime (1630117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15931 + ... + 16032.

It is an arithmetic number, because the mean of its divisors is an integer number (287676).

21630113 is an apocalyptic number.

It is an amenable number.

1630113 is a deficient number, since it is larger than the sum of its proper divisors (671295).

1630113 is a wasteful number, since it uses less digits than its factorization.

1630113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31983.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1630113 is about 1276.7587869288. The cubic root of 1630113 is about 117.6899116880.

Adding to 1630113 its reverse (3110361), we get a palindrome (4740474).

The spelling of 1630113 in words is "one million, six hundred thirty thousand, one hundred thirteen".

Divisors: 1 3 17 51 31963 95889 543371 1630113