Search a number
-
+
85912404 = 2237159367
BaseRepresentation
bin1010001111011…
…10101101010100
312222122210122220
411013232231110
5133443144104
612305222340
72062146324
oct507565524
9188583586
1085912404
114454a296
12249319b0
1314a50556
14b5a5284
1578207d9
hex51eeb54

85912404 has 12 divisors (see below), whose sum is σ = 200462304. Its totient is φ = 28637464.

The previous prime is 85912397. The next prime is 85912427. The reversal of 85912404 is 40421958.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×859124042 = 14761882322118432, which contains 22 as substring.

It is a congruent number.

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, 3579672 + ... + 3579695.

It is an arithmetic number, because the mean of its divisors is an integer number (16705192).

Almost surely, 285912404 is an apocalyptic number.

It is an amenable number.

85912404 is an abundant number, since it is smaller than the sum of its proper divisors (114549900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85912404 is a wasteful number, since it uses less digits than its factorization.

85912404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7159374 (or 7159372 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 85912404 is about 9268.8944324553. The cubic root of 85912404 is about 441.2505813109.

The spelling of 85912404 in words is "eighty-five million, nine hundred twelve thousand, four hundred four".

Divisors: 1 2 3 4 6 12 7159367 14318734 21478101 28637468 42956202 85912404