Search a number
-
+
401402033 = 439334931
BaseRepresentation
bin10111111011001…
…110100010110001
31000222022100001222
4113323032202301
51310224331113
6103455234425
712642601214
oct2773164261
91028270058
10401402033
1119664331a
12b2518a15
13652127c6
143b44b77b
152538de08
hex17ece8b1

401402033 has 4 divisors (see below), whose sum is σ = 410737008. Its totient is φ = 392067060.

The previous prime is 401401997. The next prime is 401402059. The reversal of 401402033 is 330204104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401402033 - 216 = 401336497 is a prime.

It is a super-3 number, since 3×4014020333 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401402063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4667423 + ... + 4667508.

It is an arithmetic number, because the mean of its divisors is an integer number (102684252).

Almost surely, 2401402033 is an apocalyptic number.

401402033 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

401402033 is a deficient number, since it is larger than the sum of its proper divisors (9334975).

401402033 is an equidigital number, since it uses as much as digits as its factorization.

401402033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9334974.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 401402033 is about 20035.0201647016. The cubic root of 401402033 is about 737.6661515144. Note that the first 3 decimals are identical.

Adding to 401402033 its reverse (330204104), we get a palindrome (731606137).

The spelling of 401402033 in words is "four hundred one million, four hundred two thousand, thirty-three".

Divisors: 1 43 9334931 401402033