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212046386 = 23117531951
BaseRepresentation
bin11001010001110…
…01001000110010
3112210000001221212
430220321020302
5413240441021
633012520122
75153236016
oct1450711062
9483001855
10212046386
11a9770652
125b020042
1334c14446
142023a546
151393885b
hexca39232

212046386 has 16 divisors (see below), whose sum is σ = 328685568. Its totient is φ = 102492000.

The previous prime is 212046313. The next prime is 212046427. The reversal of 212046386 is 683640212.

212046386 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 107711 + ... + 109661.

It is an arithmetic number, because the mean of its divisors is an integer number (20542848).

Almost surely, 2212046386 is an apocalyptic number.

212046386 is a deficient number, since it is larger than the sum of its proper divisors (116639182).

212046386 is a wasteful number, since it uses less digits than its factorization.

212046386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 212046386 is about 14561.8125932179. The cubic root of 212046386 is about 596.3166811697.

Adding to 212046386 its reverse (683640212), we get a palindrome (895686598).

The spelling of 212046386 in words is "two hundred twelve million, forty-six thousand, three hundred eighty-six".

Divisors: 1 2 31 62 1753 1951 3506 3902 54343 60481 108686 120962 3420103 6840206 106023193 212046386