Search a number
-
+
94228491 = 3741910709
BaseRepresentation
bin1011001110111…
…01000000001011
320120022022012010
411213131000023
5143110302431
613203351003
72222633430
oct547350013
9216268163
1094228491
114920a295
1227682463
13166a2806
14c72bb87
158414846
hex59dd00b

94228491 has 16 divisors (see below), whose sum is σ = 143942400. Its totient is φ = 53711328.

The previous prime is 94228439. The next prime is 94228531. The reversal of 94228491 is 19482249.

Added to its reverse (19482249) it gives a triangular number (113710740 = T15080).

It is not a de Polignac number, because 94228491 - 27 = 94228363 is a prime.

It is a super-2 number, since 2×942284912 = 17758017032274162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (94228991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3445 + ... + 14153.

It is an arithmetic number, because the mean of its divisors is an integer number (8996400).

Almost surely, 294228491 is an apocalyptic number.

94228491 is a deficient number, since it is larger than the sum of its proper divisors (49713909).

94228491 is a wasteful number, since it uses less digits than its factorization.

94228491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11138.

The product of its digits is 41472, while the sum is 39.

The square root of 94228491 is about 9707.1360864057. The cubic root of 94228491 is about 455.0517044652.

Adding to 94228491 its reverse (19482249), we get a triangular number (113710740 = T15080).

The spelling of 94228491 in words is "ninety-four million, two hundred twenty-eight thousand, four hundred ninety-one".

Divisors: 1 3 7 21 419 1257 2933 8799 10709 32127 74963 224889 4487071 13461213 31409497 94228491