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2490285 = 35737641
BaseRepresentation
bin1001011111111110101101
311200112000210
421133332231
51114142120
6125213033
730111210
oct11377655
94615023
102490285
111450a96
12a01179
13692655
1448b777
15342ce0
hex25ffad

2490285 has 32 divisors (see below), whose sum is σ = 4684032. Its totient is φ = 1105920.

The previous prime is 2490283. The next prime is 2490307. The reversal of 2490285 is 5820942.

2490285 = 112 + 122 + ... + 1952.

It is not a de Polignac number, because 2490285 - 21 = 2490283 is a prime.

2490285 is a lucky number.

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 31 ways as a sum of consecutive naturals, for example, 3565 + ... + 4205.

It is an arithmetic number, because the mean of its divisors is an integer number (146376).

22490285 is an apocalyptic number.

It is an amenable number.

2490285 is a deficient number, since it is larger than the sum of its proper divisors (2193747).

2490285 is a wasteful number, since it uses less digits than its factorization.

2490285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2490285 is about 1578.0636869277. The cubic root of 2490285 is about 135.5448488314.

It can be divided in two parts, 2490 and 285, that added together give a triangular number (2775 = T74).

The spelling of 2490285 in words is "two million, four hundred ninety thousand, two hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 37 105 111 185 259 555 641 777 1295 1923 3205 3885 4487 9615 13461 22435 23717 67305 71151 118585 166019 355755 498057 830095 2490285