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401470417 = 13723312577
BaseRepresentation
bin10111111011011…
…111001111010001
31000222102210212201
4113323133033101
51310234023132
6103500523201
712643304455
oct2773371721
91028383781
10401470417
1119668a737
12b2550501
136523797a
143b468665
15253a42e7
hex17edf3d1

401470417 has 8 divisors (see below), whose sum is σ = 406168776. Its totient is φ = 396797952.

The previous prime is 401470409. The next prime is 401470427. The reversal of 401470417 is 714074104.

It can be written as a sum of positive squares in 4 ways, for example, as 101626561 + 299843856 = 10081^2 + 17316^2 .

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 401470417 - 23 = 401470409 is a prime.

It is a super-2 number, since 2×4014704172 = 322356991452307778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401470427) 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, 25633 + ... + 38209.

It is an arithmetic number, because the mean of its divisors is an integer number (50771097).

Almost surely, 2401470417 is an apocalyptic number.

It is an amenable number.

401470417 is a deficient number, since it is larger than the sum of its proper divisors (4698359).

401470417 is a wasteful number, since it uses less digits than its factorization.

401470417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12947.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 401470417 is about 20036.7267037308. The cubic root of 401470417 is about 737.7080394419.

The spelling of 401470417 in words is "four hundred one million, four hundred seventy thousand, four hundred seventeen".

Divisors: 1 137 233 12577 31921 1723049 2930441 401470417