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1102985 = 51371239
BaseRepresentation
bin100001101010010001001
32002001000022
410031102021
5240243420
635350225
712242462
oct4152211
92061008
101102985
11693764
12452375
132c8070
14209d69
1516bc25
hex10d489

1102985 has 16 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 799680.

The previous prime is 1102979. The next prime is 1102991. The reversal of 1102985 is 5892011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1102979) and next prime (1102991).

It is not a de Polignac number, because 1102985 - 26 = 1102921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4496 + ... + 4734.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

21102985 is an apocalyptic number.

It is an amenable number.

1102985 is a deficient number, since it is larger than the sum of its proper divisors (348535).

1102985 is a wasteful number, since it uses less digits than its factorization.

1102985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1102985 is about 1050.2309269870. The cubic root of 1102985 is about 103.3213016399.

Adding to 1102985 its sum of digits (26), we get a palindrome (1103011).

Adding to 1102985 its reverse (5892011), we get a palindrome (6994996).

The spelling of 1102985 in words is "one million, one hundred two thousand, nine hundred eighty-five".

Divisors: 1 5 13 65 71 239 355 923 1195 3107 4615 15535 16969 84845 220597 1102985