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103258253 = 773919961
BaseRepresentation
bin1100010011110…
…01100010001101
321012022001200202
412021321202031
5202413231003
614125103245
72362452320
oct611714215
9235261622
10103258253
11533174aa
122a6b7b25
1318514877
14d9dc7b7
1590ea088
hex627988d

103258253 has 8 divisors (see below), whose sum is σ = 118175040. Its totient is φ = 88382880.

The previous prime is 103258223. The next prime is 103258273. The reversal of 103258253 is 352852301.

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

It is a cyclic number.

It is not a de Polignac number, because 103258253 - 28 = 103257997 is a prime.

It is a super-2 number, since 2×1032582532 = 21324533625224018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103258223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4808 + ... + 15153.

It is an arithmetic number, because the mean of its divisors is an integer number (14771880).

Almost surely, 2103258253 is an apocalyptic number.

It is an amenable number.

103258253 is a deficient number, since it is larger than the sum of its proper divisors (14916787).

103258253 is an equidigital number, since it uses as much as digits as its factorization.

103258253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20707.

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

The square root of 103258253 is about 10161.6068119171. The cubic root of 103258253 is about 469.1462591076.

The spelling of 103258253 in words is "one hundred three million, two hundred fifty-eight thousand, two hundred fifty-three".

Divisors: 1 7 739 5173 19961 139727 14751179 103258253