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401549097 = 3197044721
BaseRepresentation
bin10111111011110…
…010011100101001
31000222120210210210
4113323302130221
51310244032342
6103502331333
712644053035
oct2773623451
91028523723
10401549097
11196733864
12b2589b49
1365264721
143b4891c5
15253bc79c
hex17ef2729

401549097 has 8 divisors (see below), whose sum is σ = 563577760. Its totient is φ = 253609920.

The previous prime is 401549087. The next prime is 401549117. The reversal of 401549097 is 790945104.

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

It is not a de Polignac number, because 401549097 - 24 = 401549081 is a prime.

It is a super-2 number, since 2×4015490972 = 322483354603030818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401549017) 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, 3522304 + ... + 3522417.

It is an arithmetic number, because the mean of its divisors is an integer number (70447220).

Almost surely, 2401549097 is an apocalyptic number.

It is an amenable number.

401549097 is a deficient number, since it is larger than the sum of its proper divisors (162028663).

401549097 is a wasteful number, since it uses less digits than its factorization.

401549097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044743.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 401549097 is about 20038.6900020935. The cubic root of 401549097 is about 737.7562281957.

The spelling of 401549097 in words is "four hundred one million, five hundred forty-nine thousand, ninety-seven".

Divisors: 1 3 19 57 7044721 21134163 133849699 401549097