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401374229 = 1273160427
BaseRepresentation
bin10111111011000…
…111110000010101
31000222020220221012
4113323013300111
51310222433404
6103454502005
712642424154
oct2773076025
91028226835
10401374229
11196624443
12b2504905
1365202c59
143b44159b
1525385a6e
hex17ec7c15

401374229 has 4 divisors (see below), whose sum is σ = 404534784. Its totient is φ = 398213676.

The previous prime is 401374213. The next prime is 401374231. The reversal of 401374229 is 922473104.

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 401374229 - 24 = 401374213 is a prime.

It is a super-2 number, since 2×4013742292 = 322202543410688882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401374195 and 401374204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401374249) 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, 1580087 + ... + 1580340.

It is an arithmetic number, because the mean of its divisors is an integer number (101133696).

Almost surely, 2401374229 is an apocalyptic number.

It is an amenable number.

401374229 is a deficient number, since it is larger than the sum of its proper divisors (3160555).

401374229 is a wasteful number, since it uses less digits than its factorization.

401374229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160554.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 401374229 is about 20034.3262676837. The cubic root of 401374229 is about 737.6491190951.

The spelling of 401374229 in words is "four hundred one million, three hundred seventy-four thousand, two hundred twenty-nine".

Divisors: 1 127 3160427 401374229