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94681997 = 192416397
BaseRepresentation
bin1011010010010…
…11101110001101
320121011100021122
411221023232031
5143214310442
613221210325
72226532544
oct551135615
9217140248
1094681997
1149499a93
12278609a5
1316801067
14c80915b
1584a3dd2
hex5a4bb8d

94681997 has 12 divisors (see below), whose sum is σ = 102380796. Its totient is φ = 87497280.

The previous prime is 94681931. The next prime is 94681999. The reversal of 94681997 is 79918649.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2253001 + 92428996 = 1501^2 + 9614^2 .

It is not a de Polignac number, because 94681997 - 216 = 94616461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94681999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11603 + ... + 17999.

It is an arithmetic number, because the mean of its divisors is an integer number (8531733).

Almost surely, 294681997 is an apocalyptic number.

It is an amenable number.

94681997 is a deficient number, since it is larger than the sum of its proper divisors (7698799).

94681997 is a wasteful number, since it uses less digits than its factorization.

94681997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6476 (or 6457 counting only the distinct ones).

The product of its digits is 979776, while the sum is 53.

The square root of 94681997 is about 9730.4674605077. The cubic root of 94681997 is about 455.7805657180.

The spelling of 94681997 in words is "ninety-four million, six hundred eighty-one thousand, nine hundred ninety-seven".

Divisors: 1 19 41 361 779 6397 14801 121543 262277 2309317 4983263 94681997