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9973481 = 71638741
BaseRepresentation
bin100110000010…
…111011101001
3200202201001012
4212002323221
510023122411
6553433305
7150526130
oct46027351
920681035
109973481
1156a2251
12340b835
1320b278b
141478917
15d2018b
hex982ee9

9973481 has 8 divisors (see below), whose sum is σ = 11469504. Its totient is φ = 8495280.

The previous prime is 9973417. The next prime is 9973489. The reversal of 9973481 is 1843799.

It is a happy number.

9973481 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9973481 - 26 = 9973417 is a prime.

It is a super-2 number, since 2×99734812 = 198940646514722, which contains 22 as substring.

It is a Duffinian number.

9973481 is strictly pandigital in base 8.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9973489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3230 + ... + 5511.

It is an arithmetic number, because the mean of its divisors is an integer number (1433688).

Almost surely, 29973481 is an apocalyptic number.

It is an amenable number.

9973481 is a deficient number, since it is larger than the sum of its proper divisors (1496023).

9973481 is a wasteful number, since it uses less digits than its factorization.

9973481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8911.

The product of its digits is 54432, while the sum is 41.

The square root of 9973481 is about 3158.0818545440. The cubic root of 9973481 is about 215.2528555627.

The spelling of 9973481 in words is "nine million, nine hundred seventy-three thousand, four hundred eighty-one".

Divisors: 1 7 163 1141 8741 61187 1424783 9973481