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210255412 = 2252563853
BaseRepresentation
bin11001000100000…
…11111000110100
3112122122002012111
430202003320310
5412311133122
632510300404
75132066353
oct1442037064
9478562174
10210255412
11a8758004
125a4b7704
13347381b3
141dcd199a
15136d2d77
hexc883e34

210255412 has 6 divisors (see below), whose sum is σ = 367946978. Its totient is φ = 105127704.

The previous prime is 210255391. The next prime is 210255413. The reversal of 210255412 is 214552012.

It can be written as a sum of positive squares in only one way, i.e., 159617956 + 50637456 = 12634^2 + 7116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210255413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26281923 + ... + 26281930.

Almost surely, 2210255412 is an apocalyptic number.

It is an amenable number.

210255412 is a deficient number, since it is larger than the sum of its proper divisors (157691566).

210255412 is a wasteful number, since it uses less digits than its factorization.

210255412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52563857 (or 52563855 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 210255412 is about 14500.1866194887. The cubic root of 210255412 is about 594.6330736775.

The spelling of 210255412 in words is "two hundred ten million, two hundred fifty-five thousand, four hundred twelve".

Divisors: 1 2 4 52563853 105127706 210255412