Search a number
-
+
401758797 = 31124594951
BaseRepresentation
bin10111111100100…
…101101001001101
31000222222110110110
4113330211221031
51310322240142
6103511030233
712645615306
oct2774455115
91028873413
10401758797
11196867370
12b266b379
1365308ccb
143b5017ad
152540e99c
hex17f25a4d

401758797 has 16 divisors (see below), whose sum is σ = 584732160. Its totient is φ = 243342000.

The previous prime is 401758793. The next prime is 401758801. The reversal of 401758797 is 797857104.

It is an interprime number because it is at equal distance from previous prime (401758793) and next prime (401758801).

It is not a de Polignac number, because 401758797 - 22 = 401758793 is a prime.

It is a super-2 number, since 2×4017587972 = 322820261933774418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401758793) 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 15 ways as a sum of consecutive naturals, for example, 78672 + ... + 83622.

It is an arithmetic number, because the mean of its divisors is an integer number (36545760).

Almost surely, 2401758797 is an apocalyptic number.

It is an amenable number.

401758797 is a deficient number, since it is larger than the sum of its proper divisors (182973363).

401758797 is a wasteful number, since it uses less digits than its factorization.

401758797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7424.

The product of its (nonzero) digits is 493920, while the sum is 48.

The square root of 401758797 is about 20043.9216971131. The cubic root of 401758797 is about 737.8846313882.

The spelling of 401758797 in words is "four hundred one million, seven hundred fifty-eight thousand, seven hundred ninety-seven".

Divisors: 1 3 11 33 2459 4951 7377 14853 27049 54461 81147 163383 12174509 36523527 133919599 401758797