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212925268 = 2253231317
BaseRepresentation
bin11001011000011…
…11101101010100
3112211122201120001
430230033231110
5414002102033
633043421044
75163556243
oct1454175524
9484581501
10212925268
11aa2109a6
125b384784
13351614aa
14203c895a
1513a5de7d
hexcb0fb54

212925268 has 6 divisors (see below), whose sum is σ = 372619226. Its totient is φ = 106462632.

The previous prime is 212925257. The next prime is 212925299. The reversal of 212925268 is 862529212.

It can be written as a sum of positive squares in only one way, i.e., 209728324 + 3196944 = 14482^2 + 1788^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26615655 + ... + 26615662.

Almost surely, 2212925268 is an apocalyptic number.

It is an amenable number.

212925268 is a deficient number, since it is larger than the sum of its proper divisors (159693958).

212925268 is a wasteful number, since it uses less digits than its factorization.

212925268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53231321 (or 53231319 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 212925268 is about 14591.9590185828. The cubic root of 212925268 is about 597.1394093016.

It can be divided in two parts, 212 and 925268, that added together give a triangular number (925480 = T1360).

The spelling of 212925268 in words is "two hundred twelve million, nine hundred twenty-five thousand, two hundred sixty-eight".

Divisors: 1 2 4 53231317 106462634 212925268