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1349898 = 2311113181
BaseRepresentation
bin101001001100100001010
32112120201020
411021210022
5321144043
644533310
714321364
oct5114412
92476636
101349898
11842220
12551236
13383574
14271d34
151b9e83
hex14990a

1349898 has 32 divisors (see below), whose sum is σ = 2987712. Its totient is φ = 403200.

The previous prime is 1349897. The next prime is 1349903. The reversal of 1349898 is 8989431.

It is a super-2 number, since 2×13498982 = 3644449220808, which contains 22 as substring.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1349891) 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, 7368 + ... + 7548.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

21349898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1349898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493856).

1349898 is an abundant number, since it is smaller than the sum of its proper divisors (1637814).

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

1349898 is a wasteful number, since it uses less digits than its factorization.

1349898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310.

The product of its digits is 62208, while the sum is 42.

The square root of 1349898 is about 1161.8511092218. The cubic root of 1349898 is about 110.5181613986.

The spelling of 1349898 in words is "one million, three hundred forty-nine thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 11 22 33 66 113 181 226 339 362 543 678 1086 1243 1991 2486 3729 3982 5973 7458 11946 20453 40906 61359 122718 224983 449966 674949 1349898