Search a number
-
+
85452274 = 2157272141
BaseRepresentation
bin1010001011111…
…10010111110010
312221210102111001
411011332113302
5133333433044
612251312214
72055221665
oct505762762
9187712431
1085452274
1144265616
122474b66a
131491bc9b
14b4c56dc
15777e2d4
hex517e5f2

85452274 has 8 divisors (see below), whose sum is σ = 128995308. Its totient is φ = 42453840.

The previous prime is 85452229. The next prime is 85452281. The reversal of 85452274 is 47225458.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 85100625 + 351649 = 9225^2 + 593^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×854522742 = 14604182263542152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135757 + ... + 136384.

Almost surely, 285452274 is an apocalyptic number.

85452274 is a deficient number, since it is larger than the sum of its proper divisors (43543034).

85452274 is a wasteful number, since it uses less digits than its factorization.

85452274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272300.

The product of its digits is 89600, while the sum is 37.

The square root of 85452274 is about 9244.0399176983. The cubic root of 85452274 is about 440.4614202176.

The spelling of 85452274 in words is "eighty-five million, four hundred fifty-two thousand, two hundred seventy-four".

Divisors: 1 2 157 314 272141 544282 42726137 85452274