Search a number
-
+
1394480 = 24517431
BaseRepresentation
bin101010100011100110000
32121211212102
411110130300
5324110410
645515532
714565353
oct5243460
92554772
101394480
1187276a
12572ba8
1339a949
1428429a
151c82a5
hex154730

1394480 has 20 divisors (see below), whose sum is σ = 3242352. Its totient is φ = 557760.

The previous prime is 1394479. The next prime is 1394489. The reversal of 1394480 is 844931.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1394489) 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, 8636 + ... + 8795.

21394480 is an apocalyptic number.

1394480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1394480 is an abundant number, since it is smaller than the sum of its proper divisors (1847872).

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

1394480 is a wasteful number, since it uses less digits than its factorization.

1394480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17444 (or 17438 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1394480 is about 1180.8810270302. The cubic root of 1394480 is about 111.7216728578.

The spelling of 1394480 in words is "one million, three hundred ninety-four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 17431 34862 69724 87155 139448 174310 278896 348620 697240 1394480