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1255206 = 23209201
BaseRepresentation
bin100110010011100100110
32100202211010
410302130212
5310131311
642523050
713445331
oct4623446
92322733
101255206
11788067
12506486
1334c434
14249618
1519bda6
hex132726

1255206 has 8 divisors (see below), whose sum is σ = 2510424. Its totient is φ = 418400.

The previous prime is 1255201. The next prime is 1255211. The reversal of 1255206 is 6025521.

It is an interprime number because it is at equal distance from previous prime (1255201) and next prime (1255211).

It is a sphenic number, since it is the product of 3 distinct primes.

1255206 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104595 + ... + 104606.

It is an arithmetic number, because the mean of its divisors is an integer number (313803).

21255206 is an apocalyptic number.

1255206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255206 is a wasteful number, since it uses less digits than its factorization.

1255206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209206.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1255206 is about 1120.3597636474. The cubic root of 1255206 is about 107.8710738635.

The spelling of 1255206 in words is "one million, two hundred fifty-five thousand, two hundred six".

Divisors: 1 2 3 6 209201 418402 627603 1255206