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1130409 = 3375981
BaseRepresentation
bin100010011111110101001
32010102122000
410103332221
5242133114
640121213
712415440
oct4237651
92112560
101130409
11702325
12466209
133076a7
14215d57
15174e09
hex113fa9

1130409 has 16 divisors (see below), whose sum is σ = 1914240. Its totient is φ = 645840.

The previous prime is 1130407. The next prime is 1130413. The reversal of 1130409 is 9040311.

It is not a de Polignac number, because 1130409 - 21 = 1130407 is a prime.

It is a super-3 number, since 3×11304093 = 4333392970353023787, which contains 333 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1130391 and 1130400.

It is not an unprimeable number, because it can be changed into a prime (1130407) 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, 2802 + ... + 3179.

It is an arithmetic number, because the mean of its divisors is an integer number (119640).

21130409 is an apocalyptic number.

It is an amenable number.

1130409 is a deficient number, since it is larger than the sum of its proper divisors (783831).

1130409 is an equidigital number, since it uses as much as digits as its factorization.

1130409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5997 (or 5991 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1130409 is about 1063.2069412866. The cubic root of 1130409 is about 104.1706087753.

The spelling of 1130409 in words is "one million, one hundred thirty thousand, four hundred nine".

Divisors: 1 3 7 9 21 27 63 189 5981 17943 41867 53829 125601 161487 376803 1130409