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40030401 = 316779901
BaseRepresentation
bin1001100010110…
…1000011000001
32210022202101110
42120231003001
540221433101
63545553533
7664152465
oct230550301
983282343
1040030401
1120661484
12114a58a9
1383a7638
1454604a5
1537aacd6
hex262d0c1

40030401 has 8 divisors (see below), whose sum is σ = 53694144. Its totient is φ = 26526800.

The previous prime is 40030399. The next prime is 40030421. The reversal of 40030401 is 10403004.

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 40030401 - 21 = 40030399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40030421) 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, 39450 + ... + 40451.

It is an arithmetic number, because the mean of its divisors is an integer number (6711768).

Almost surely, 240030401 is an apocalyptic number.

It is an amenable number.

40030401 is a deficient number, since it is larger than the sum of its proper divisors (13663743).

40030401 is a wasteful number, since it uses less digits than its factorization.

40030401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80071.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 40030401 is about 6326.9582739259. The cubic root of 40030401 is about 342.0818090259.

Adding to 40030401 its reverse (10403004), we get a palindrome (50433405).

The spelling of 40030401 in words is "forty million, thirty thousand, four hundred one".

Divisors: 1 3 167 501 79901 239703 13343467 40030401