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401464061 = 1721389149
BaseRepresentation
bin10111111011011…
…101101011111101
31000222102111011022
4113323131223331
51310233322221
6103500433525
712643250105
oct2773355375
91028374138
10401464061
11196685989
12b25488a5
1365234acb
143b466205
15253a24ab
hex17eddafd

401464061 has 6 divisors (see below), whose sum is σ = 426469050. Its totient is φ = 377848256.

The previous prime is 401464051. The next prime is 401464099. The reversal of 401464061 is 160464104.

It can be written as a sum of positive squares in 3 ways, for example, as 186841561 + 214622500 = 13669^2 + 14650^2 .

It is a de Polignac number, because none of the positive numbers 2k-401464061 is a prime.

It is a super-2 number, since 2×4014640612 = 322346784549223442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401464061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401464051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 694286 + ... + 694863.

It is an arithmetic number, because the mean of its divisors is an integer number (71078175).

Almost surely, 2401464061 is an apocalyptic number.

It is an amenable number.

401464061 is a deficient number, since it is larger than the sum of its proper divisors (25004989).

401464061 is a wasteful number, since it uses less digits than its factorization.

401464061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389183 (or 1389166 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 401464061 is about 20036.5680943619. The cubic root of 401464061 is about 737.7041463389.

The spelling of 401464061 in words is "four hundred one million, four hundred sixty-four thousand, sixty-one".

Divisors: 1 17 289 1389149 23615533 401464061