Search a number
-
+
85708372 = 2228176253
BaseRepresentation
bin1010001101111…
…00111001010100
312222021102210011
411012330321110
5133420131442
612301010004
72060336431
oct506747124
9188242704
1085708372
114441aa72
1224853904
13149ab719
14b550b88
1577d0117
hex51bce54

85708372 has 12 divisors (see below), whose sum is σ = 150525396. Its totient is φ = 42701120.

The previous prime is 85708361. The next prime is 85708379. The reversal of 85708372 is 27380758.

It can be written as a sum of positive squares in 2 ways, for example, as 41139396 + 44568976 = 6414^2 + 6676^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85708379) 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, 37003 + ... + 39250.

It is an arithmetic number, because the mean of its divisors is an integer number (12543783).

Almost surely, 285708372 is an apocalyptic number.

It is an amenable number.

85708372 is a deficient number, since it is larger than the sum of its proper divisors (64817024).

85708372 is a wasteful number, since it uses less digits than its factorization.

85708372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76538 (or 76536 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 85708372 is about 9257.8816151429. The cubic root of 85708372 is about 440.9009980988.

The spelling of 85708372 in words is "eighty-five million, seven hundred eight thousand, three hundred seventy-two".

Divisors: 1 2 4 281 562 1124 76253 152506 305012 21427093 42854186 85708372