Search a number
-
+
85541284 = 2221385321
BaseRepresentation
bin1010001100101…
…00000110100100
312221221221120201
411012110012210
5133344310114
612253240244
72056042333
oct506240644
9187857521
1085541284
1144316484
1224793084
131495065a
14b509d1a
15779a874
hex51941a4

85541284 has 6 divisors (see below), whose sum is σ = 149697254. Its totient is φ = 42770640.

The previous prime is 85541273. The next prime is 85541303. The reversal of 85541284 is 48214558.

It can be written as a sum of positive squares in only one way, i.e., 67240000 + 18301284 = 8200^2 + 4278^2 .

It is a super-2 number, since 2×855412842 = 14634622536737312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10692657 + ... + 10692664.

Almost surely, 285541284 is an apocalyptic number.

It is an amenable number.

85541284 is a deficient number, since it is larger than the sum of its proper divisors (64155970).

85541284 is a wasteful number, since it uses less digits than its factorization.

85541284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21385325 (or 21385323 counting only the distinct ones).

The product of its digits is 51200, while the sum is 37.

The square root of 85541284 is about 9248.8531180898. The cubic root of 85541284 is about 440.6143003555.

The spelling of 85541284 in words is "eighty-five million, five hundred forty-one thousand, two hundred eighty-four".

Divisors: 1 2 4 21385321 42770642 85541284