Search a number
-
+
2490078 = 23415013
BaseRepresentation
bin1001011111111011011110
311200111202010
421133323132
51114140303
6125212050
730110463
oct11377336
94614663
102490078
111450918
12a01026
13692526
1448b66a
15342c03
hex25fede

2490078 has 8 divisors (see below), whose sum is σ = 4980168. Its totient is φ = 830024.

The previous prime is 2490029. The next prime is 2490079. The reversal of 2490078 is 8700942.

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

2490078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490079) 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, 207501 + ... + 207512.

It is an arithmetic number, because the mean of its divisors is an integer number (622521).

22490078 is an apocalyptic number.

2490078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2490078 is a wasteful number, since it uses less digits than its factorization.

2490078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415018.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2490078 is about 1577.9980988582. The cubic root of 2490078 is about 135.5410930951.

The spelling of 2490078 in words is "two million, four hundred ninety thousand, seventy-eight".

Divisors: 1 2 3 6 415013 830026 1245039 2490078