Search a number
-
+
2481397 = 3477151
BaseRepresentation
bin1001011101110011110101
311200001211121
421131303311
51113401042
6125103541
730043252
oct11356365
94601747
102481397
111445346
129b7bb1
1368b5a9
14488429
15340367
hex25dcf5

2481397 has 4 divisors (see below), whose sum is σ = 2488896. Its totient is φ = 2473900.

The previous prime is 2481389. The next prime is 2481421. The reversal of 2481397 is 7931842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2481397 - 23 = 2481389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3229 + ... + 3922.

It is an arithmetic number, because the mean of its divisors is an integer number (622224).

22481397 is an apocalyptic number.

It is an amenable number.

2481397 is a deficient number, since it is larger than the sum of its proper divisors (7499).

2481397 is an equidigital number, since it uses as much as digits as its factorization.

2481397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7498.

The product of its digits is 12096, while the sum is 34.

The square root of 2481397 is about 1575.2450603001. The cubic root of 2481397 is about 135.3834002808.

The spelling of 2481397 in words is "two million, four hundred eighty-one thousand, three hundred ninety-seven".

Divisors: 1 347 7151 2481397