Search a number
-
+
5757290 = 257117477
BaseRepresentation
bin10101111101100101101010
3101211111111222
4111331211222
52433213130
6323222042
766636050
oct25754552
911744458
105757290
1132825a0
121b17922
1312676a6
14a9c1d0
1578ace5
hex57d96a

5757290 has 32 divisors (see below), whose sum is σ = 12921984. Its totient is φ = 1794240.

The previous prime is 5757287. The next prime is 5757293. The reversal of 5757290 is 927575.

It is an interprime number because it is at equal distance from previous prime (5757287) and next prime (5757293).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 5757290.

It is not an unprimeable number, because it can be changed into a prime (5757293) 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, 2969 + ... + 4508.

It is an arithmetic number, because the mean of its divisors is an integer number (403812).

Almost surely, 25757290 is an apocalyptic number.

5757290 is an abundant number, since it is smaller than the sum of its proper divisors (7164694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5757290 is a wasteful number, since it uses less digits than its factorization.

5757290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7502.

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 5757290 is about 2399.4353502439. The cubic root of 5757290 is about 179.2280729364.

The spelling of 5757290 in words is "five million, seven hundred fifty-seven thousand, two hundred ninety".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 7477 14954 37385 52339 74770 82247 104678 164494 261695 411235 523390 575729 822470 1151458 2878645 5757290