Search a number
-
+
3807397 = 1123101149
BaseRepresentation
bin1110100001100010100101
321011102202201
432201202211
51433314042
6213334501
744235166
oct16414245
97142681
103807397
112170610
121337431
13a33cc9
1471176d
155031b7
hex3a18a5

3807397 has 16 divisors (see below), whose sum is σ = 4406400. Its totient is φ = 3256000.

The previous prime is 3807379. The next prime is 3807413. The reversal of 3807397 is 7937083.

It is a de Polignac number, because none of the positive numbers 2k-3807397 is a prime.

It is a Duffinian number.

3807397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3807317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25479 + ... + 25627.

It is an arithmetic number, because the mean of its divisors is an integer number (275400).

Almost surely, 23807397 is an apocalyptic number.

It is an amenable number.

3807397 is a deficient number, since it is larger than the sum of its proper divisors (599003).

3807397 is a wasteful number, since it uses less digits than its factorization.

3807397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 3807397 is about 1951.2552370205. The cubic root of 3807397 is about 156.1502633902.

It can be divided in two parts, 380 and 7397, that added together give a palindrome (7777).

The spelling of 3807397 in words is "three million, eight hundred seven thousand, three hundred ninety-seven".

Divisors: 1 11 23 101 149 253 1111 1639 2323 3427 15049 25553 37697 165539 346127 3807397