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85988384 = 257137847
BaseRepresentation
bin1010010000000…
…01010000100000
312222210122212222
411020001100200
5134003112014
612311010212
72062613666
oct510012040
9188718788
1085988384
11445a1389
1224969968
1314a79001
14b5c4c36
15783808e
hex5201420

85988384 has 24 divisors (see below), whose sum is σ = 171678528. Its totient is φ = 42387520.

The previous prime is 85988381. The next prime is 85988411. The reversal of 85988384 is 48388958.

It is not an unprimeable number, because it can be changed into a prime (85988381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16652 + ... + 21195.

It is an arithmetic number, because the mean of its divisors is an integer number (7153272).

Almost surely, 285988384 is an apocalyptic number.

It is an amenable number.

85988384 is a deficient number, since it is larger than the sum of its proper divisors (85690144).

85988384 is a wasteful number, since it uses less digits than its factorization.

85988384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37928 (or 37920 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 53.

The square root of 85988384 is about 9272.9921815992. The cubic root of 85988384 is about 441.3806220619.

The spelling of 85988384 in words is "eighty-five million, nine hundred eighty-eight thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 32 71 142 284 568 1136 2272 37847 75694 151388 302776 605552 1211104 2687137 5374274 10748548 21497096 42994192 85988384