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7930401 = 38331849
BaseRepresentation
bin11110010000001000100001
3112220220110120
4132100020201
54012233101
6441550453
7124256463
oct36201041
915826416
107930401
114527256
1227a5429
13184885b
1410a6133
15a69b36
hex790221

7930401 has 8 divisors (see below), whose sum is σ = 10701600. Its totient is φ = 5223072.

The previous prime is 7930399. The next prime is 7930409. The reversal of 7930401 is 1040397.

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

It is not a de Polignac number, because 7930401 - 21 = 7930399 is a prime.

7930401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7930409) 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, 15676 + ... + 16173.

It is an arithmetic number, because the mean of its divisors is an integer number (1337700).

Almost surely, 27930401 is an apocalyptic number.

It is an amenable number.

7930401 is a deficient number, since it is larger than the sum of its proper divisors (2771199).

7930401 is a wasteful number, since it uses less digits than its factorization.

7930401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31935.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 7930401 is about 2816.0967668033. The cubic root of 7930401 is about 199.4183182049.

Adding to 7930401 its reverse (1040397), we get a palindrome (8970798).

The spelling of 7930401 in words is "seven million, nine hundred thirty thousand, four hundred one".

Divisors: 1 3 83 249 31849 95547 2643467 7930401