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89474 = 2721183
BaseRepresentation
bin10101110110000010
311112201212
4111312002
510330344
61530122
7521600
oct256602
9145655
1089474
1161250
1243942
1331958
1424870
151b79e
hex15d82

89474 has 24 divisors (see below), whose sum is σ = 172368. Its totient is φ = 34440.

The previous prime is 89459. The next prime is 89477. The reversal of 89474 is 47498.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 89474.

It is not an unprimeable number, because it can be changed into a prime (89477) by changing a digit.

89474 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1037 + ... + 1119.

It is an arithmetic number, because the mean of its divisors is an integer number (7182).

289474 is an apocalyptic number.

89474 is a deficient number, since it is larger than the sum of its proper divisors (82894).

89474 is a wasteful number, since it uses less digits than its factorization.

89474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 103 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 89474 is about 299.1220486691. The cubic root of 89474 is about 44.7265724257.

The spelling of 89474 in words is "eighty-nine thousand, four hundred seventy-four".

Divisors: 1 2 7 11 14 22 49 77 83 98 154 166 539 581 913 1078 1162 1826 4067 6391 8134 12782 44737 89474