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212711474 = 2142774531
BaseRepresentation
bin11001010110110…
…11100000110010
3112211020212021202
430223123200302
5413423231344
633035051202
75162006033
oct1453334062
9484225252
10212711474
11aa085308
125b2a0b02
13350b80a1
1420370a8a
1513a1a94e
hexcadb832

212711474 has 8 divisors (see below), whose sum is σ = 319295088. Its totient is φ = 106279780.

The previous prime is 212711467. The next prime is 212711509. The reversal of 212711474 is 474117212.

212711474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 34412 + ... + 40119.

It is an arithmetic number, because the mean of its divisors is an integer number (39911886).

Almost surely, 2212711474 is an apocalyptic number.

212711474 is a deficient number, since it is larger than the sum of its proper divisors (106583614).

212711474 is a wasteful number, since it uses less digits than its factorization.

212711474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75960.

The product of its digits is 3136, while the sum is 29.

The square root of 212711474 is about 14584.6314317503. The cubic root of 212711474 is about 596.9394837964.

Adding to 212711474 its reverse (474117212), we get a palindrome (686828686).

The spelling of 212711474 in words is "two hundred twelve million, seven hundred eleven thousand, four hundred seventy-four".

Divisors: 1 2 1427 2854 74531 149062 106355737 212711474