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94890209 = 1712743951
BaseRepresentation
bin1011010011111…
…10100011100001
320121112220220012
411221332203201
5143242441314
613225454305
72231360561
oct551764341
9217486805
1094890209
1149621467
1227941395
1316874a6b
14c860da1
1584e593e
hex5a7e8e1

94890209 has 8 divisors (see below), whose sum is σ = 101265408. Its totient is φ = 88603200.

The previous prime is 94890181. The next prime is 94890217. The reversal of 94890209 is 90209849.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-94890209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94890239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19817 + ... + 24134.

It is an arithmetic number, because the mean of its divisors is an integer number (12658176).

Almost surely, 294890209 is an apocalyptic number.

It is an amenable number.

94890209 is a deficient number, since it is larger than the sum of its proper divisors (6375199).

94890209 is a wasteful number, since it uses less digits than its factorization.

94890209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44095.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 94890209 is about 9741.1605571410. The cubic root of 94890209 is about 456.1144183615.

The spelling of 94890209 in words is "ninety-four million, eight hundred ninety thousand, two hundred nine".

Divisors: 1 17 127 2159 43951 747167 5581777 94890209