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250900053 = 3478772029
BaseRepresentation
bin11101111010001…
…10111001010101
3122111010001011120
432331012321111
51003212300203
640521354153
76134421015
oct1675067125
9574101146
10250900053
11119698a18
1270038959
133cc99291
1425471c45
1517060b53
hexef46e55

250900053 has 16 divisors (see below), whose sum is σ = 342209280. Its totient is φ = 163440576.

The previous prime is 250900043. The next prime is 250900087. The reversal of 250900053 is 350009052.

It is not a de Polignac number, because 250900053 - 25 = 250900021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 250899996 and 250900032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250900003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122643 + ... + 124671.

It is an arithmetic number, because the mean of its divisors is an integer number (21388080).

Almost surely, 2250900053 is an apocalyptic number.

It is an amenable number.

250900053 is a deficient number, since it is larger than the sum of its proper divisors (91309227).

250900053 is a wasteful number, since it uses less digits than its factorization.

250900053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 250900053 is about 15839.8249043353. The cubic root of 250900053 is about 630.7156166548.

The spelling of 250900053 in words is "two hundred fifty million, nine hundred thousand, fifty-three".

Divisors: 1 3 47 141 877 2029 2631 6087 41219 95363 123657 286089 1779433 5338299 83633351 250900053