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89070 = 2352969
BaseRepresentation
bin10101101111101110
311112011220
4111233232
510322240
61524210
7520452
oct255756
9145156
1089070
1160a13
1243666
1331707
1424662
151b5d0
hex15bee

89070 has 16 divisors (see below), whose sum is σ = 213840. Its totient is φ = 23744.

The previous prime is 89069. The next prime is 89071. The reversal of 89070 is 7098.

It is an interprime number because it is at equal distance from previous prime (89069) and next prime (89071).

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

It is a Curzon number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 89070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89071) 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, 1455 + ... + 1514.

It is an arithmetic number, because the mean of its divisors is an integer number (13365).

289070 is an apocalyptic number.

89070 is an abundant number, since it is smaller than the sum of its proper divisors (124770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106920).

89070 is a wasteful number, since it uses less digits than its factorization.

89070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 89070 is about 298.4459750106. The cubic root of 89070 is about 44.6591532126.

The spelling of 89070 in words is "eighty-nine thousand, seventy".

Divisors: 1 2 3 5 6 10 15 30 2969 5938 8907 14845 17814 29690 44535 89070