Search a number
-
+
3668427 = 32758229
BaseRepresentation
bin1101111111100111001011
320220101010200
431333213023
51414342202
6210343243
743116060
oct15774713
96811120
103668427
112086164
12128ab23
139b5989
146b6c67
154c6e1c
hex37f9cb

3668427 has 12 divisors (see below), whose sum is σ = 6055920. Its totient is φ = 2096208.

The previous prime is 3668419. The next prime is 3668461. The reversal of 3668427 is 7248663.

It is not a de Polignac number, because 3668427 - 23 = 3668419 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

3668427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3668391 and 3668400.

It is not an unprimeable number, because it can be changed into a prime (3668407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29052 + ... + 29177.

It is an arithmetic number, because the mean of its divisors is an integer number (504660).

Almost surely, 23668427 is an apocalyptic number.

3668427 is a deficient number, since it is larger than the sum of its proper divisors (2387493).

3668427 is a wasteful number, since it uses less digits than its factorization.

3668427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58242 (or 58239 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 3668427 is about 1915.3138124078. The cubic root of 3668427 is about 154.2268400442.

It can be divided in two parts, 3668 and 427, that added together give a triangular number (4095 = T90).

The spelling of 3668427 in words is "three million, six hundred sixty-eight thousand, four hundred twenty-seven".

Divisors: 1 3 7 9 21 63 58229 174687 407603 524061 1222809 3668427