Search a number
-
+
3423987 = 3271723139
BaseRepresentation
bin1101000011111011110011
320102221211100
431003323303
51334031422
6201215443
741050320
oct15037363
96387740
103423987
111a29546
121191583
1392b638
14651b47
154797ac
hex343ef3

3423987 has 48 divisors (see below), whose sum is σ = 6289920. Its totient is φ = 1748736.

The previous prime is 3423983. The next prime is 3424019. The reversal of 3423987 is 7893243.

It is not a de Polignac number, because 3423987 - 22 = 3423983 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.

Its product of digits (36288) is a multiple of the sum of its prime divisors (189).

3423987 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3423983) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24564 + ... + 24702.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

Almost surely, 23423987 is an apocalyptic number.

3423987 is a deficient number, since it is larger than the sum of its proper divisors (2865933).

3423987 is a wasteful number, since it uses less digits than its factorization.

3423987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 189 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 3423987 is about 1850.4018482481. The cubic root of 3423987 is about 150.7222501169.

The spelling of 3423987 in words is "three million, four hundred twenty-three thousand, nine hundred eighty-seven".

Divisors: 1 3 7 9 17 21 23 51 63 69 119 139 153 161 207 357 391 417 483 973 1071 1173 1251 1449 2363 2737 2919 3197 3519 7089 8211 8757 9591 16541 21267 22379 24633 28773 49623 54349 67137 148869 163047 201411 380443 489141 1141329 3423987