Search a number
-
+
89785054 = 2232113751
BaseRepresentation
bin1010101101000…
…00001011011110
320020221112221101
411112200023132
5140441110204
612524223314
72140106002
oct526401336
9206845841
1089785054
1146754927
122609ab3a
13157a8168
14bcd2702
157d37ea4
hex55a02de

89785054 has 24 divisors (see below), whose sum is σ = 142222752. Its totient is φ = 42504000.

The previous prime is 89785037. The next prime is 89785057. The reversal of 89785054 is 45058798.

It is a super-2 number, since 2×897850542 = 16122711843565832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 89784995 and 89785013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89785057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119179 + ... + 119929.

It is an arithmetic number, because the mean of its divisors is an integer number (5925948).

Almost surely, 289785054 is an apocalyptic number.

89785054 is a deficient number, since it is larger than the sum of its proper divisors (52437698).

89785054 is a wasteful number, since it uses less digits than its factorization.

89785054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The square root of 89785054 is about 9475.4975594952. The cubic root of 89785054 is about 447.7834272885.

The spelling of 89785054 in words is "eighty-nine million, seven hundred eighty-five thousand, fifty-four".

Divisors: 1 2 23 46 113 226 529 751 1058 1502 2599 5198 17273 34546 59777 84863 119554 169726 397279 794558 1951849 3903698 44892527 89785054