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1409022 = 23397269
BaseRepresentation
bin101010111111111111110
32122120211000
411113333332
5330042042
650111130
714655636
oct5277776
92576730
101409022
1188268a
1257b4a6
133a4454
142896c6
151cc74c
hex157ffe

1409022 has 32 divisors (see below), whose sum is σ = 3175200. Its totient is φ = 463104.

The previous prime is 1409017. The next prime is 1409027. The reversal of 1409022 is 2209041.

It is an interprime number because it is at equal distance from previous prime (1409017) and next prime (1409027).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1408986 and 1409004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5104 + ... + 5372.

It is an arithmetic number, because the mean of its divisors is an integer number (99225).

21409022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1409022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1587600).

1409022 is an abundant number, since it is smaller than the sum of its proper divisors (1766178).

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

1409022 is a wasteful number, since it uses less digits than its factorization.

1409022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1409022 is about 1187.0223249796. The cubic root of 1409022 is about 112.1086848891.

The spelling of 1409022 in words is "one million, four hundred nine thousand, twenty-two".

Divisors: 1 2 3 6 9 18 27 54 97 194 269 291 538 582 807 873 1614 1746 2421 2619 4842 5238 7263 14526 26093 52186 78279 156558 234837 469674 704511 1409022