Search a number
-
+
85037433 = 31331371901
BaseRepresentation
bin1010001000110…
…01000101111001
312221000100102120
411010121011321
5133232144213
612234351453
72051543355
oct504310571
9187010376
1085037433
1144001978
122458b589
1314805210
14b418465
1576eb423
hex5119179

85037433 has 32 divisors (see below), whose sum is σ = 129518592. Its totient is φ = 49248000.

The previous prime is 85037423. The next prime is 85037441. The reversal of 85037433 is 33473058.

It is not a de Polignac number, because 85037433 - 29 = 85036921 is a prime.

It is a super-2 number, since 2×850374332 = 14462730022458978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85037394 and 85037403.

It is not an unprimeable number, because it can be changed into a prime (85037423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43783 + ... + 45683.

It is an arithmetic number, because the mean of its divisors is an integer number (4047456).

Almost surely, 285037433 is an apocalyptic number.

It is an amenable number.

85037433 is a deficient number, since it is larger than the sum of its proper divisors (44481159).

85037433 is a wasteful number, since it uses less digits than its factorization.

85037433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 85037433 is about 9221.5743232921. The cubic root of 85037433 is about 439.7475014787.

It can be divided in two parts, 850 and 37433, that added together give a palindrome (38283).

The spelling of 85037433 in words is "eighty-five million, thirty-seven thousand, four hundred thirty-three".

Divisors: 1 3 13 31 37 39 93 111 403 481 1147 1209 1443 1901 3441 5703 14911 24713 44733 58931 70337 74139 176793 211011 766103 914381 2180447 2298309 2743143 6541341 28345811 85037433