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1490238 = 2349199
BaseRepresentation
bin101101011110100111110
32210201020000
411223310332
5340141423
651535130
715444501
oct5536476
92721200
101490238
11928702
125ba4a6
134023c9
142ab138
151e6843
hex16bd3e

1490238 has 20 divisors (see below), whose sum is σ = 3339600. Its totient is φ = 496692.

The previous prime is 1490233. The next prime is 1490243. The reversal of 1490238 is 8320941.

It is an interprime number because it is at equal distance from previous prime (1490233) and next prime (1490243).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490233) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4438 + ... + 4761.

It is an arithmetic number, because the mean of its divisors is an integer number (166980).

21490238 is an apocalyptic number.

1490238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1490238 is an abundant number, since it is smaller than the sum of its proper divisors (1849362).

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

1490238 is an equidigital number, since it uses as much as digits as its factorization.

1490238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9213 (or 9204 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1490238 is about 1220.7530462792. The cubic root of 1490238 is about 114.2225569194. Note that the first 3 decimals are identical.

It can be divided in two parts, 1490 and 238, that added together give a cube (1728 = 123).

The spelling of 1490238 in words is "one million, four hundred ninety thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 9199 18398 27597 55194 82791 165582 248373 496746 745119 1490238