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1402245 = 335131747
BaseRepresentation
bin101010110010110000101
32122020112000
411112112011
5324332440
650015513
714630115
oct5262605
92566460
101402245
11878589
12577599
133a1340
14287045
151ca730
hex156585

1402245 has 64 divisors (see below), whose sum is σ = 2903040. Its totient is φ = 635904.

The previous prime is 1402231. The next prime is 1402249. The reversal of 1402245 is 5422041.

It is not a de Polignac number, because 1402245 - 28 = 1401989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29812 + ... + 29858.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

21402245 is an apocalyptic number.

1402245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1402245 is an abundant number, since it is smaller than the sum of its proper divisors (1500795).

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

1402245 is a wasteful number, since it uses less digits than its factorization.

1402245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1402245 is about 1184.1642622542. The cubic root of 1402245 is about 111.9286588614.

Adding to 1402245 its reverse (5422041), we get a palindrome (6824286).

The spelling of 1402245 in words is "one million, four hundred two thousand, two hundred forty-five".

Divisors: 1 3 5 9 13 15 17 27 39 45 47 51 65 85 117 135 141 153 195 221 235 255 351 423 459 585 611 663 705 765 799 1105 1269 1755 1833 1989 2115 2295 2397 3055 3315 3995 5499 5967 6345 7191 9165 9945 10387 11985 16497 21573 27495 29835 31161 35955 51935 82485 93483 107865 155805 280449 467415 1402245