Search a number
-
+
85764000 = 2535371021
BaseRepresentation
bin1010001110010…
…10011110100000
312222101021002110
411013022132200
5133423422000
612302115320
72060660550
oct507123640
9188337073
1085764000
1144458843
122487bb40
13149cab3a
14b567160
1577e1850
hex51ca7a0

85764000 has 192 divisors, whose sum is σ = 321414912. Its totient is φ = 19584000.

The previous prime is 85763981. The next prime is 85764001. The reversal of 85764000 is 46758.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (85764001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83490 + ... + 84510.

It is an arithmetic number, because the mean of its divisors is an integer number (1674036).

Almost surely, 285764000 is an apocalyptic number.

85764000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85764000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160707456).

85764000 is an abundant number, since it is smaller than the sum of its proper divisors (235650912).

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

85764000 is a wasteful number, since it uses less digits than its factorization.

85764000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 85764000 is about 9260.8854868204. The cubic root of 85764000 is about 440.9963646535.

The spelling of 85764000 in words is "eighty-five million, seven hundred sixty-four thousand".