Search a number
-
+
85078532 = 22711276229
BaseRepresentation
bin1010001001000…
…11001000000100
312221002102210202
411010203020010
5133240003112
612235310032
72052104240
oct504431004
9187072722
1085078532
114402a840
12245ab318
131481ab36
14b429420
1577086c2
hex5123204

85078532 has 24 divisors (see below), whose sum is σ = 185626560. Its totient is φ = 33147360.

The previous prime is 85078529. The next prime is 85078549. The reversal of 85078532 is 23587058.

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, 137807 + ... + 138422.

It is an arithmetic number, because the mean of its divisors is an integer number (7734440).

Almost surely, 285078532 is an apocalyptic number.

It is an amenable number.

85078532 is an abundant number, since it is smaller than the sum of its proper divisors (100548028).

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

85078532 is a wasteful number, since it uses less digits than its factorization.

85078532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276251 (or 276249 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 85078532 is about 9223.8024696976. The cubic root of 85078532 is about 439.8183340955.

The spelling of 85078532 in words is "eighty-five million, seventy-eight thousand, five hundred thirty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 276229 552458 1104916 1933603 3038519 3867206 6077038 7734412 12154076 21269633 42539266 85078532