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9851401 = 72201049
BaseRepresentation
bin100101100101…
…001000001001
3200112111120201
4211211020021
510010221101
6551052201
7146510200
oct45451011
920474521
109851401
11561955a
123371061
13206c041
141446237
15ce8e01
hex965209

9851401 has 6 divisors (see below), whose sum is σ = 11459850. Its totient is φ = 8444016.

The previous prime is 9851393. The next prime is 9851411. The reversal of 9851401 is 1041589.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8643600 + 1207801 = 2940^2 + 1099^2 .

It is not a de Polignac number, because 9851401 - 23 = 9851393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9851401.

It is not an unprimeable number, because it can be changed into a prime (9851411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100476 + ... + 100573.

It is an arithmetic number, because the mean of its divisors is an integer number (1909975).

Almost surely, 29851401 is an apocalyptic number.

It is an amenable number.

9851401 is a deficient number, since it is larger than the sum of its proper divisors (1608449).

9851401 is a wasteful number, since it uses less digits than its factorization.

9851401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201063 (or 201056 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 9851401 is about 3138.6941552181. The cubic root of 9851401 is about 214.3709828485.

The spelling of 9851401 in words is "nine million, eight hundred fifty-one thousand, four hundred one".

Divisors: 1 7 49 201049 1407343 9851401