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1940480 = 2105379
BaseRepresentation
bin111011001110000000000
310122120211122
413121300000
5444043410
6105331412
722331243
oct7316000
93576748
101940480
111105a03
12796b68
1352c319
1438725a
15284e55
hex1d9c00

1940480 has 44 divisors (see below), whose sum is σ = 4667160. Its totient is φ = 774144.

The previous prime is 1940479. The next prime is 1940483. The reversal of 1940480 is 840491.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4931 + ... + 5309.

21940480 is an apocalyptic number.

1940480 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 1940480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2333580).

1940480 is an abundant number, since it is smaller than the sum of its proper divisors (2726680).

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

1940480 is an equidigital number, since it uses as much as digits as its factorization.

1940480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1940480 is about 1393.0111270195. The cubic root of 1940480 is about 124.7296557333.

The spelling of 1940480 in words is "one million, nine hundred forty thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 379 512 640 758 1024 1280 1516 1895 2560 3032 3790 5120 6064 7580 12128 15160 24256 30320 48512 60640 97024 121280 194048 242560 388096 485120 970240 1940480