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94488981 = 3163199971
BaseRepresentation
bin1011010000111…
…00100110010101
320120210112111220
411220130212111
5143142121411
613213120553
72225100036
oct550344625
9216715456
1094488981
1149377a74
1227789159
1316764252
14c798a8d
158466b06
hex5a1c995

94488981 has 16 divisors (see below), whose sum is σ = 127526400. Its totient is φ = 62227440.

The previous prime is 94488973. The next prime is 94489013. The reversal of 94488981 is 18988449.

It is not a de Polignac number, because 94488981 - 23 = 94488973 is a prime.

It is a super-2 number, since 2×944889812 = 17856335060836722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94488971) 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, 96826 + ... + 97796.

It is an arithmetic number, because the mean of its divisors is an integer number (7970400).

Almost surely, 294488981 is an apocalyptic number.

It is an amenable number.

94488981 is a deficient number, since it is larger than the sum of its proper divisors (33037419).

94488981 is a wasteful number, since it uses less digits than its factorization.

94488981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336.

The product of its digits is 663552, while the sum is 51.

The square root of 94488981 is about 9720.5442748850. The cubic root of 94488981 is about 455.4706412975.

The spelling of 94488981 in words is "ninety-four million, four hundred eighty-eight thousand, nine hundred eighty-one".

Divisors: 1 3 163 199 489 597 971 2913 32437 97311 158273 193229 474819 579687 31496327 94488981