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9970401 = 371672843
BaseRepresentation
bin100110000010…
…001011100001
3200202112211010
4212002023201
510023023101
6553411133
7150514140
oct46021341
920675733
109970401
11569aa01
123409aa9
1320b125c
141477757
15d1e2d6
hex9822e1

9970401 has 16 divisors (see below), whose sum is σ = 15289344. Its totient is φ = 5661264.

The previous prime is 9970397. The next prime is 9970409. The reversal of 9970401 is 1040799.

9970401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9970401 - 22 = 9970397 is a prime.

It is a super-2 number, since 2×99704012 = 198817792201602, which contains 22 as substring.

9970401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9970409) 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, 2086 + ... + 4928.

It is an arithmetic number, because the mean of its divisors is an integer number (955584).

Almost surely, 29970401 is an apocalyptic number.

It is an amenable number.

9970401 is a deficient number, since it is larger than the sum of its proper divisors (5318943).

9970401 is a wasteful number, since it uses less digits than its factorization.

9970401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 9970401 is about 3157.5941791180. The cubic root of 9970401 is about 215.2306952272.

It can be divided in two parts, 99 and 70401, that added together give a triangular number (70500 = T375).

The spelling of 9970401 in words is "nine million, nine hundred seventy thousand, four hundred one".

Divisors: 1 3 7 21 167 501 1169 2843 3507 8529 19901 59703 474781 1424343 3323467 9970401