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1450380 = 2235231051
BaseRepresentation
bin101100010000110001100
32201200112210
411202012030
5332403010
651030420
715220341
oct5420614
92650483
101450380
11900768
1259b410
133ba219
1429a7c8
151d9b20
hex16218c

1450380 has 48 divisors (see below), whose sum is σ = 4241664. Its totient is φ = 369600.

The previous prime is 1450367. The next prime is 1450391. The reversal of 1450380 is 830541.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855 + ... + 1905.

It is an arithmetic number, because the mean of its divisors is an integer number (88368).

21450380 is an apocalyptic number.

1450380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1450380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2120832).

1450380 is an abundant number, since it is smaller than the sum of its proper divisors (2791284).

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

1450380 is a wasteful number, since it uses less digits than its factorization.

1450380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1450380 is about 1204.3172339546. The cubic root of 1450380 is about 113.1950061684.

It can be divided in two parts, 1450 and 380, that added together give a triangular number (1830 = T60).

The spelling of 1450380 in words is "one million, four hundred fifty thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1051 1380 2102 3153 4204 5255 6306 10510 12612 15765 21020 24173 31530 48346 63060 72519 96692 120865 145038 241730 290076 362595 483460 725190 1450380