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89249943 = 340577333
BaseRepresentation
bin1010101000111…
…01100010010111
320012221100220110
411110131202113
5140321444233
612504534103
72132416626
oct524354227
9205840813
1089249943
1146419892
1225a81333
131564b723
14bbd36bd
157c7e663
hex551d897

89249943 has 8 divisors (see below), whose sum is σ = 119045488. Its totient is φ = 59477184.

The previous prime is 89249939. The next prime is 89249971. The reversal of 89249943 is 34994298.

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

It is not a de Polignac number, because 89249943 - 22 = 89249939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89249892 and 89249901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89249843) 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, 8505 + ... + 15837.

It is an arithmetic number, because the mean of its divisors is an integer number (14880686).

Almost surely, 289249943 is an apocalyptic number.

89249943 is a deficient number, since it is larger than the sum of its proper divisors (29795545).

89249943 is a wasteful number, since it uses less digits than its factorization.

89249943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11393.

The product of its digits is 559872, while the sum is 48.

The square root of 89249943 is about 9447.2187970852. The cubic root of 89249943 is about 446.8920708950.

The spelling of 89249943 in words is "eighty-nine million, two hundred forty-nine thousand, nine hundred forty-three".

Divisors: 1 3 4057 7333 12171 21999 29749981 89249943