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632490 = 23529727
BaseRepresentation
bin10011010011010101010
31012010121120
42122122222
5130214430
621320110
75242665
oct2323252
91163546
10632490
113a2221
12266036
13191b71
141266dc
15c7610
hex9a6aa

632490 has 32 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 162624.

The previous prime is 632483. The next prime is 632497. The reversal of 632490 is 94236.

632490 = T11 + T12 + ... + T155.

632490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (632483) and next prime (632497).

It is a Curzon number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 632490.

It is not an unprimeable number, because it can be changed into a prime (632497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507 + ... + 1233.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2632490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 632490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786240).

632490 is an abundant number, since it is smaller than the sum of its proper divisors (939990).

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

632490 is a wasteful number, since it uses less digits than its factorization.

632490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 632490 is about 795.2923990584. The cubic root of 632490 is about 85.8389812058.

The spelling of 632490 in words is "six hundred thirty-two thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 727 870 1454 2181 3635 4362 7270 10905 21083 21810 42166 63249 105415 126498 210830 316245 632490