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85101776 = 2429374957
BaseRepresentation
bin1010001001010…
…00110011010000
312221010121200122
411010220303100
5133241224101
612240005412
72052232064
oct504506320
9187117618
1085101776
1144046251
1224600868
13148285a6
14b433aa4
15771051b
hex5128cd0

85101776 has 40 divisors (see below), whose sum is σ = 175215720. Its totient is φ = 39965184.

The previous prime is 85101761. The next prime is 85101781. The reversal of 85101776 is 67710158.

It can be written as a sum of positive squares in 4 ways, for example, as 45914176 + 39187600 = 6776^2 + 6260^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14690 + ... + 19646.

It is an arithmetic number, because the mean of its divisors is an integer number (4380393).

Almost surely, 285101776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85101776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87607860).

85101776 is an abundant number, since it is smaller than the sum of its proper divisors (90113944).

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

85101776 is a wasteful number, since it uses less digits than its factorization.

85101776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031 (or 5025 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 85101776 is about 9225.0623846129. The cubic root of 85101776 is about 439.8583841773.

The spelling of 85101776 in words is "eighty-five million, one hundred one thousand, seven hundred seventy-six".

Divisors: 1 2 4 8 16 29 37 58 74 116 148 232 296 464 592 1073 2146 4292 4957 8584 9914 17168 19828 39656 79312 143753 183409 287506 366818 575012 733636 1150024 1467272 2300048 2934544 5318861 10637722 21275444 42550888 85101776