Search a number
-
+
7972194 = 231328699
BaseRepresentation
bin11110011010010101100010
3120000000210110
4132122111202
54020102234
6442512150
7124522356
oct36322542
916000713
107972194
11455569a
122805656
131861899
1410b7466
15a771e9
hex79a562

7972194 has 8 divisors (see below), whose sum is σ = 15944400. Its totient is φ = 2657396.

The previous prime is 7972193. The next prime is 7972199. The reversal of 7972194 is 4912797.

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

7972194 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (7972193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664344 + ... + 664355.

It is an arithmetic number, because the mean of its divisors is an integer number (1993050).

Almost surely, 27972194 is an apocalyptic number.

7972194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7972194 is a wasteful number, since it uses less digits than its factorization.

7972194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328704.

The product of its digits is 31752, while the sum is 39.

The square root of 7972194 is about 2823.5073932965. The cubic root of 7972194 is about 199.7680143507.

The spelling of 7972194 in words is "seven million, nine hundred seventy-two thousand, one hundred ninety-four".

Divisors: 1 2 3 6 1328699 2657398 3986097 7972194