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212470253 is a prime number
BaseRepresentation
bin11001010101000…
…00100111101101
3112210210121101122
430222200213231
5413343022003
633025550325
75156652542
oct1452404755
9483717348
10212470253
11a9a30056
125b1a53a5
1335032358
142030abc9
15139be238
hexcaa09ed

212470253 has 2 divisors, whose sum is σ = 212470254. Its totient is φ = 212470252.

The previous prime is 212470229. The next prime is 212470261. The reversal of 212470253 is 352074212.

212470253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148181929 + 64288324 = 12173^2 + 8018^2 .

It is a cyclic number.

It is not a de Polignac number, because 212470253 - 28 = 212469997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212470273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106235126 + 106235127.

It is an arithmetic number, because the mean of its divisors is an integer number (106235127).

Almost surely, 2212470253 is an apocalyptic number.

It is an amenable number.

212470253 is a deficient number, since it is larger than the sum of its proper divisors (1).

212470253 is an equidigital number, since it uses as much as digits as its factorization.

212470253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 212470253 is about 14576.3593877209. The cubic root of 212470253 is about 596.7137495313.

The spelling of 212470253 in words is "two hundred twelve million, four hundred seventy thousand, two hundred fifty-three".