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400003701 = 3465728631
BaseRepresentation
bin10111110101111…
…001001001110101
31000212200021220220
4113311321021311
51304400104301
6103405244553
712624655356
oct2765711165
91025607826
10400003701
11195878779
12b1b63759
1364b431a6
143b1a5d2d
15251b4936
hex17d79275

400003701 has 8 divisors (see below), whose sum is σ = 533471424. Its totient is φ = 266602560.

The previous prime is 400003697. The next prime is 400003729. The reversal of 400003701 is 107300004.

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

It is not a de Polignac number, because 400003701 - 22 = 400003697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400003001) 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, 345 + ... + 28286.

It is an arithmetic number, because the mean of its divisors is an integer number (66683928).

Almost surely, 2400003701 is an apocalyptic number.

It is an amenable number.

400003701 is a deficient number, since it is larger than the sum of its proper divisors (133467723).

400003701 is a wasteful number, since it uses less digits than its factorization.

400003701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33291.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 400003701 is about 20000.0925247860. The cubic root of 400003701 is about 736.8085721545.

Adding to 400003701 its reverse (107300004), we get a palindrome (507303705).

The spelling of 400003701 in words is "four hundred million, three thousand, seven hundred one".

Divisors: 1 3 4657 13971 28631 85893 133334567 400003701