Search a number
-
+
212585190 = 2357086173
BaseRepresentation
bin11001010101111…
…00101011100110
3112211000110001120
430222330223212
5413410211230
633032234410
75160641616
oct1452745346
9484013046
10212585190
11a9aa9444
125b23ba06
133507276c
142033aa46
15139e3310
hexcabcae6

212585190 has 16 divisors (see below), whose sum is σ = 510204528. Its totient is φ = 56689376.

The previous prime is 212585189. The next prime is 212585237. The reversal of 212585190 is 91585212.

It is a super-2 number, since 2×2125851902 = 90384926014672200, 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 7 ways as a sum of consecutive naturals, for example, 3543057 + ... + 3543116.

It is an arithmetic number, because the mean of its divisors is an integer number (31887783).

Almost surely, 2212585190 is an apocalyptic number.

212585190 is an abundant number, since it is smaller than the sum of its proper divisors (297619338).

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

212585190 is a wasteful number, since it uses less digits than its factorization.

212585190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7086183.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 212585190 is about 14580.3014372132. The cubic root of 212585190 is about 596.8213287083.

The spelling of 212585190 in words is "two hundred twelve million, five hundred eighty-five thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 7086173 14172346 21258519 35430865 42517038 70861730 106292595 212585190