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85154794 = 242577397
BaseRepresentation
bin1010001001101…
…01101111101010
312221020022102021
411010311233222
5133244423134
612241055054
72052542464
oct504655752
9187208367
1085154794
114408206a
122462748a
131484676a
14b449134
1577210b4
hex5135bea

85154794 has 4 divisors (see below), whose sum is σ = 127732194. Its totient is φ = 42577396.

The previous prime is 85154791. The next prime is 85154801. The reversal of 85154794 is 49745158.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 84180625 + 974169 = 9175^2 + 987^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 85154794.

It is not an unprimeable number, because it can be changed into a prime (85154791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21288697 + ... + 21288700.

Almost surely, 285154794 is an apocalyptic number.

85154794 is a deficient number, since it is larger than the sum of its proper divisors (42577400).

85154794 is a wasteful number, since it uses less digits than its factorization.

85154794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42577399.

The product of its digits is 201600, while the sum is 43.

The square root of 85154794 is about 9227.9355220981. The cubic root of 85154794 is about 439.9497084393.

The spelling of 85154794 in words is "eighty-five million, one hundred fifty-four thousand, seven hundred ninety-four".

Divisors: 1 2 42577397 85154794