Search a number
-
+
3047642 = 213251467
BaseRepresentation
bin1011101000000011011010
312201211120122
423220003122
51240011032
6145153242
734622153
oct13500332
95654518
103047642
1117a1814
12102b822
13829250
1459492a
15403012
hex2e80da

3047642 has 16 divisors (see below), whose sum is σ = 4953312. Its totient is φ = 1398000.

The previous prime is 3047623. The next prime is 3047647. The reversal of 3047642 is 2467403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a d-powerful number, because it can be written as 39 + 0 + 44 + 77 + 68 + 44 + 219 .

It is not an unprimeable number, because it can be changed into a prime (3047647) 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, 6293 + ... + 6759.

It is an arithmetic number, because the mean of its divisors is an integer number (309582).

Almost surely, 23047642 is an apocalyptic number.

3047642 is a deficient number, since it is larger than the sum of its proper divisors (1905670).

3047642 is a wasteful number, since it uses less digits than its factorization.

3047642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 3047642 is about 1745.7496956895. The cubic root of 3047642 is about 144.9844137032.

The spelling of 3047642 in words is "three million, forty-seven thousand, six hundred forty-two".

Divisors: 1 2 13 26 251 467 502 934 3263 6071 6526 12142 117217 234434 1523821 3047642