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914490 = 23451129
BaseRepresentation
bin11011111010000111010
31201110110000
43133100322
5213230430
631333430
710526103
oct3372072
91643400
10914490
11575085
12381276
13260325
1419b3aa
15130e60
hexdf43a

914490 has 40 divisors (see below), whose sum is σ = 2461140. Its totient is φ = 243648.

The previous prime is 914477. The next prime is 914491. The reversal of 914490 is 94419.

It can be written as a sum of positive squares in 2 ways, for example, as 826281 + 88209 = 909^2 + 297^2 .

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

It is not an unprimeable number, because it can be changed into a prime (914491) by changing a digit.

914490 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 246 + ... + 1374.

2914490 is an apocalyptic number.

914490 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 914490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230570).

914490 is an abundant number, since it is smaller than the sum of its proper divisors (1546650).

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

914490 is a wasteful number, since it uses less digits than its factorization.

914490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 914490 is about 956.2897050580. The cubic root of 914490 is about 97.0643283217.

The spelling of 914490 in words is "nine hundred fourteen thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 1129 2258 3387 5645 6774 10161 11290 16935 20322 30483 33870 50805 60966 91449 101610 152415 182898 304830 457245 914490