Search a number
-
+
27791942 = 219969829
BaseRepresentation
bin110101000000…
…1001001000110
31221021222101012
41222001021012
524103320232
62431402222
7455141033
oct152011106
957258335
1027791942
1114762552
129383372
1359b0c49
14399638a
15268e9b2
hex1a81246

27791942 has 8 divisors (see below), whose sum is σ = 41898000. Its totient is φ = 13825944.

The previous prime is 27791873. The next prime is 27791977. The reversal of 27791942 is 24919772.

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

It is a self number, because there is not a number n which added to its sum of digits gives 27791942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34517 + ... + 35312.

It is an arithmetic number, because the mean of its divisors is an integer number (5237250).

Almost surely, 227791942 is an apocalyptic number.

27791942 is a deficient number, since it is larger than the sum of its proper divisors (14106058).

27791942 is a wasteful number, since it uses less digits than its factorization.

27791942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70030.

The product of its digits is 63504, while the sum is 41.

The square root of 27791942 is about 5271.8063317994. The cubic root of 27791942 is about 302.9048995915.

The spelling of 27791942 in words is "twenty-seven million, seven hundred ninety-one thousand, nine hundred forty-two".

Divisors: 1 2 199 398 69829 139658 13895971 27791942