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85449448 = 2371579719
BaseRepresentation
bin1010001011111…
…01101011101000
312221210021121101
411011331223220
5133333340243
612251251144
72055210520
oct505755350
9187707541
1085449448
1144263487
1224749ab4
131491a906
14b4c4680
15777d54d
hex517dae8

85449448 has 32 divisors (see below), whose sum is σ = 184291200. Its totient is φ = 36384192.

The previous prime is 85449433. The next prime is 85449449. The reversal of 85449448 is 84494458.

It is a junction number, because it is equal to n+sod(n) for n = 85449398 and 85449407.

It is not an unprimeable number, because it can be changed into a prime (85449449) 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, 3933 + ... + 13651.

It is an arithmetic number, because the mean of its divisors is an integer number (5759100).

Almost surely, 285449448 is an apocalyptic number.

It is an amenable number.

85449448 is an abundant number, since it is smaller than the sum of its proper divisors (98841752).

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

85449448 is a wasteful number, since it uses less digits than its factorization.

85449448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9889 (or 9885 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The square root of 85449448 is about 9243.8870611881. The cubic root of 85449448 is about 440.4565646507.

The spelling of 85449448 in words is "eighty-five million, four hundred forty-nine thousand, four hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 56 157 314 628 1099 1256 2198 4396 8792 9719 19438 38876 68033 77752 136066 272132 544264 1525883 3051766 6103532 10681181 12207064 21362362 42724724 85449448