Search a number
-
+
891740414 = 21923466853
BaseRepresentation
bin110101001001101…
…110000011111110
32022010222002212202
4311021232003332
53311241143124
6224253031502
731045445165
oct6511560376
92263862782
10891740414
11418400854
1220a785592
13112994066
148660a3dc
15534495ae
hex3526e0fe

891740414 has 8 divisors (see below), whose sum is σ = 1408011240. Its totient is φ = 422403336.

The previous prime is 891740371. The next prime is 891740417. The reversal of 891740414 is 414047198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 23466853 = 891740414 / (8 + 9 + 1 + 7 + 4 + 0 + 4 + 1 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891740417) 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, 11733389 + ... + 11733464.

It is an arithmetic number, because the mean of its divisors is an integer number (176001405).

Almost surely, 2891740414 is an apocalyptic number.

891740414 is a deficient number, since it is larger than the sum of its proper divisors (516270826).

891740414 is a wasteful number, since it uses less digits than its factorization.

891740414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23466874.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 891740414 is about 29862.0229388432. The cubic root of 891740414 is about 962.5267687838.

The spelling of 891740414 in words is "eight hundred ninety-one million, seven hundred forty thousand, four hundred fourteen".

Divisors: 1 2 19 38 23466853 46933706 445870207 891740414