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1349868 = 2231317509
BaseRepresentation
bin101001001100011101100
32112120200010
411021203230
5321143433
644533220
714321322
oct5114354
92476603
101349868
118421a3
12551210
13383550
14271d12
151b9e63
hex1498ec

1349868 has 48 divisors (see below), whose sum is σ = 3598560. Its totient is φ = 390144.

The previous prime is 1349867. The next prime is 1349891. The reversal of 1349868 is 8689431.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1349867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2398 + ... + 2906.

It is an arithmetic number, because the mean of its divisors is an integer number (74970).

21349868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1349868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1799280).

1349868 is an abundant number, since it is smaller than the sum of its proper divisors (2248692).

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

1349868 is a wasteful number, since it uses less digits than its factorization.

1349868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 544 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 1349868 is about 1161.8381987179. The cubic root of 1349868 is about 110.5173426777.

The spelling of 1349868 in words is "one million, three hundred forty-nine thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 156 204 221 442 509 663 884 1018 1326 1527 2036 2652 3054 6108 6617 8653 13234 17306 19851 25959 26468 34612 39702 51918 79404 103836 112489 224978 337467 449956 674934 1349868