Search a number
-
+
401310369 = 35671572
BaseRepresentation
bin10111111010111…
…000001010100001
31000222010200100000
4113322320022201
51310213412434
6103453250213
712642040035
oct2772701241
91028120300
10401310369
11196590469
12b2493969
13651acb75
143b4261c5
1525371b99
hex17eb82a1

401310369 has 36 divisors (see below), whose sum is σ = 614022864. Its totient is φ = 261868464.

The previous prime is 401310367. The next prime is 401310373. The reversal of 401310369 is 963013104.

It is not a de Polignac number, because 401310369 - 21 = 401310367 is a prime.

It is a super-2 number, since 2×4013103692 = 322100024533832322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (401310367) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2556039 + ... + 2556195.

Almost surely, 2401310369 is an apocalyptic number.

It is an amenable number.

401310369 is a deficient number, since it is larger than the sum of its proper divisors (212712495).

401310369 is an frugal number, since it uses more digits than its factorization.

401310369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 401310369 is about 20032.7324396848. The cubic root of 401310369 is about 737.6099961953.

The spelling of 401310369 in words is "four hundred one million, three hundred ten thousand, three hundred sixty-nine".

Divisors: 1 3 9 27 67 81 157 201 243 471 603 1413 1809 4239 5427 10519 12717 16281 24649 31557 38151 73947 94671 221841 284013 665523 852039 1651483 1996569 2556117 4954449 5989707 14863347 44590041 133770123 401310369