Search a number
-
+
4025397 = 31970621
BaseRepresentation
bin1111010110110000110101
321120111210210
433112300311
52012303042
6222140033
746133565
oct17266065
97514723
104025397
1122aa382
121421619
13aac2bc
1476ada5
15547a9c
hex3d6c35

4025397 has 8 divisors (see below), whose sum is σ = 5649760. Its totient is φ = 2542320.

The previous prime is 4025389. The next prime is 4025407. The reversal of 4025397 is 7935204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4025397 - 23 = 4025389 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 (4025317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35254 + ... + 35367.

It is an arithmetic number, because the mean of its divisors is an integer number (706220).

Almost surely, 24025397 is an apocalyptic number.

It is an amenable number.

4025397 is a deficient number, since it is larger than the sum of its proper divisors (1624363).

4025397 is a wasteful number, since it uses less digits than its factorization.

4025397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70643.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 4025397 is about 2006.3392036244. The cubic root of 4025397 is about 159.0753568668.

The spelling of 4025397 in words is "four million, twenty-five thousand, three hundred ninety-seven".

Divisors: 1 3 19 57 70621 211863 1341799 4025397