Search a number
-
+
253351028 = 22723833797
BaseRepresentation
bin11110001100111…
…01010001110100
3122122201120021102
433012131101310
51004324213103
641050105232
76164306510
oct1706352164
9578646242
10253351028
11120012417
1270a1b218
1340646a68
142590d140
1517396e88
hexf19d474

253351028 has 24 divisors (see below), whose sum is σ = 507048192. Its totient is φ = 108504864.

The previous prime is 253351027. The next prime is 253351031. The reversal of 253351028 is 820153352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253351027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64826 + ... + 68622.

It is an arithmetic number, because the mean of its divisors is an integer number (21127008).

Almost surely, 2253351028 is an apocalyptic number.

253351028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

253351028 is an abundant number, since it is smaller than the sum of its proper divisors (253697164).

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

253351028 is a wasteful number, since it uses less digits than its factorization.

253351028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6191 (or 6189 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 253351028 is about 15917.0043664001. The cubic root of 253351028 is about 632.7627287865.

The spelling of 253351028 in words is "two hundred fifty-three million, three hundred fifty-one thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 2383 3797 4766 7594 9532 15188 16681 26579 33362 53158 66724 106316 9048251 18096502 36193004 63337757 126675514 253351028