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1402219 = 71319811
BaseRepresentation
bin101010110010101101011
32122020111001
411112111223
5324332334
650015431
714630050
oct5262553
92566431
101402219
11878565
12577577
133a1320
14287027
151ca714
hex15656b

1402219 has 16 divisors (see below), whose sum is σ = 1818880. Its totient is φ = 1049760.

The previous prime is 1402201. The next prime is 1402231. The reversal of 1402219 is 9122041.

It is a cyclic number.

It is not a de Polignac number, because 1402219 - 213 = 1394027 is a prime.

It is a super-2 number, since 2×14022192 = 3932436247922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1402196 and 1402205.

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 15 ways as a sum of consecutive naturals, for example, 1324 + ... + 2134.

It is an arithmetic number, because the mean of its divisors is an integer number (113680).

21402219 is an apocalyptic number.

1402219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1402219 is a deficient number, since it is larger than the sum of its proper divisors (416661).

1402219 is a wasteful number, since it uses less digits than its factorization.

1402219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1402219 is about 1184.1532839966. The cubic root of 1402219 is about 111.9279670747.

It can be divided in two parts, 14022 and 19, that added together give a palindrome (14041).

The spelling of 1402219 in words is "one million, four hundred two thousand, two hundred nineteen".

Divisors: 1 7 13 19 91 133 247 811 1729 5677 10543 15409 73801 107863 200317 1402219