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2486390 = 25248639
BaseRepresentation
bin1001011111000001110110
311200022200112
421133001312
51114031030
6125143022
730063644
oct11370166
94608615
102486390
111449075
129baa72
1369094a
1448a194
15341a95
hex25f076

2486390 has 8 divisors (see below), whose sum is σ = 4475520. Its totient is φ = 994552.

The previous prime is 2486387. The next prime is 2486423. The reversal of 2486390 is 936842.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124310 + ... + 124329.

It is an arithmetic number, because the mean of its divisors is an integer number (559440).

22486390 is an apocalyptic number.

2486390 is a deficient number, since it is larger than the sum of its proper divisors (1989130).

2486390 is a wasteful number, since it uses less digits than its factorization.

2486390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248646.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2486390 is about 1576.8290966367. The cubic root of 2486390 is about 135.4741443838.

It can be divided in two parts, 24863 and 90, that multiplied together give a triangular number (2237670 = T2115).

The spelling of 2486390 in words is "two million, four hundred eighty-six thousand, three hundred ninety".

Divisors: 1 2 5 10 248639 497278 1243195 2486390