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1349380 = 225195367
BaseRepresentation
bin101001001011100000100
32112120000001
411021130010
5321140010
644531044
714320024
oct5113404
92476001
101349380
1184189a
12550a84
13383266
14271a84
151b9c3a
hex149704

1349380 has 48 divisors (see below), whose sum is σ = 3084480. Its totient is φ = 494208.

The previous prime is 1349371. The next prime is 1349393. The reversal of 1349380 is 839431.

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, 20107 + ... + 20173.

It is an arithmetic number, because the mean of its divisors is an integer number (64260).

21349380 is an apocalyptic number.

1349380 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 1349380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1542240).

1349380 is an abundant number, since it is smaller than the sum of its proper divisors (1735100).

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

1349380 is a wasteful number, since it uses less digits than its factorization.

1349380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1349380 is about 1161.6281677026. The cubic root of 1349380 is about 110.5040231127.

The spelling of 1349380 in words is "one million, three hundred forty-nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 53 67 76 95 106 134 190 212 265 268 335 380 530 670 1007 1060 1273 1340 2014 2546 3551 4028 5035 5092 6365 7102 10070 12730 14204 17755 20140 25460 35510 67469 71020 134938 269876 337345 674690 1349380