Search a number
-
+
7649228 = 221912307
BaseRepresentation
bin11101001011011111001100
3112101121202202
4131023133030
53424233403
6431541032
7122005646
oct35133714
915347682
107649228
114354a84
12268a778
13177a892
141031896
15a11688
hex74b7cc

7649228 has 6 divisors (see below), whose sum is σ = 13386156. Its totient is φ = 3824612.

The previous prime is 7649209. The next prime is 7649231. The reversal of 7649228 is 8229467.

It is a junction number, because it is equal to n+sod(n) for n = 7649191 and 7649200.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956150 + ... + 956157.

It is an arithmetic number, because the mean of its divisors is an integer number (2231026).

Almost surely, 27649228 is an apocalyptic number.

It is an amenable number.

7649228 is a deficient number, since it is larger than the sum of its proper divisors (5736928).

7649228 is a wasteful number, since it uses less digits than its factorization.

7649228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912311 (or 1912309 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 7649228 is about 2765.7237750723. The cubic root of 7649228 is about 197.0331053128.

The spelling of 7649228 in words is "seven million, six hundred forty-nine thousand, two hundred twenty-eight".

Divisors: 1 2 4 1912307 3824614 7649228