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212790076 = 22311716049
BaseRepresentation
bin11001010111011…
…10101100111100
3112211101212002221
430223232230330
5413433240301
633040455124
75162454142
oct1453565474
9484355087
10212790076
11aa129374
125b31a4a4
1335114ab5
1420391592
1513a33da1
hexcaeeb3c

212790076 has 12 divisors (see below), whose sum is σ = 384395200. Its totient is φ = 102962880.

The previous prime is 212790073. The next prime is 212790091. The reversal of 212790076 is 670097212.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212790073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857901 + ... + 858148.

Almost surely, 2212790076 is an apocalyptic number.

It is an amenable number.

212790076 is a deficient number, since it is larger than the sum of its proper divisors (171605124).

212790076 is a wasteful number, since it uses less digits than its factorization.

212790076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716084 (or 1716082 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 212790076 is about 14587.3258687122. The cubic root of 212790076 is about 597.0130025684.

The spelling of 212790076 in words is "two hundred twelve million, seven hundred ninety thousand, seventy-six".

Divisors: 1 2 4 31 62 124 1716049 3432098 6864196 53197519 106395038 212790076