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2490286 = 21996257
BaseRepresentation
bin1001011111111110101110
311200112000211
421133332232
51114142121
6125213034
730111211
oct11377656
94615024
102490286
111450a97
12a0117a
13692656
1448b778
15342ce1
hex25ffae

2490286 has 8 divisors (see below), whose sum is σ = 3754800. Its totient is φ = 1238688.

The previous prime is 2490283. The next prime is 2490307. The reversal of 2490286 is 6820942.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490283) 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, 2731 + ... + 3526.

It is an arithmetic number, because the mean of its divisors is an integer number (469350).

22490286 is an apocalyptic number.

2490286 is a deficient number, since it is larger than the sum of its proper divisors (1264514).

2490286 is a wasteful number, since it uses less digits than its factorization.

2490286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6458.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2490286 is about 1578.0640037717. The cubic root of 2490286 is about 135.5448669745.

The spelling of 2490286 in words is "two million, four hundred ninety thousand, two hundred eighty-six".

Divisors: 1 2 199 398 6257 12514 1245143 2490286