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89730944 = 27701023
BaseRepresentation
bin1010101100100…
…10111110000000
320020211210201022
411112102332000
5140432342234
612523125012
72136462152
oct526227600
9206753638
1089730944
1146718206
1226073768
1315789644
14bcbaad2
157d26e2e
hex5592f80

89730944 has 16 divisors (see below), whose sum is σ = 178761120. Its totient is φ = 44865408.

The previous prime is 89730941. The next prime is 89730967. The reversal of 89730944 is 44903798.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×897309442 = 16103284622262272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89730895 and 89730904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89730941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350384 + ... + 350639.

It is an arithmetic number, because the mean of its divisors is an integer number (11172570).

Almost surely, 289730944 is an apocalyptic number.

It is an amenable number.

89730944 is a deficient number, since it is larger than the sum of its proper divisors (89030176).

89730944 is an equidigital number, since it uses as much as digits as its factorization.

89730944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701037 (or 701025 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 89730944 is about 9472.6418701437. The cubic root of 89730944 is about 447.6934552601.

The spelling of 89730944 in words is "eighty-nine million, seven hundred thirty thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 701023 1402046 2804092 5608184 11216368 22432736 44865472 89730944