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89230361 = 1122959431
BaseRepresentation
bin1010101000110…
…00110000011001
320012220101001012
411110120300121
5140320332421
612504303305
72132305553
oct524306031
9205811035
1089230361
1146406100
1225a71b35
131564283c
14bbca4d3
157c7895b
hex5518c19

89230361 has 24 divisors (see below), whose sum is σ = 103420800. Its totient is φ = 76815200.

The previous prime is 89230357. The next prime is 89230367. The reversal of 89230361 is 16303298.

It is not a de Polignac number, because 89230361 - 22 = 89230357 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89230367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206816 + ... + 207246.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 289230361 is an apocalyptic number.

It is an amenable number.

89230361 is a deficient number, since it is larger than the sum of its proper divisors (14190439).

89230361 is a wasteful number, since it uses less digits than its factorization.

89230361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 89230361 is about 9446.1823505583. The cubic root of 89230361 is about 446.8593848587.

The spelling of 89230361 in words is "eighty-nine million, two hundred thirty thousand, three hundred sixty-one".

Divisors: 1 11 29 59 121 319 431 649 1711 3509 4741 7139 12499 18821 25429 52151 137489 207031 279719 737441 1512379 3076909 8111851 89230361