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8030253 = 371134763
BaseRepresentation
bin11110101000100000101101
3120002222102210
4132220200231
54023432003
6444041033
7125153550
oct36504055
916088383
108030253
114595280
122833179
13188213a
1410d0697
15a89503
hex7a882d

8030253 has 16 divisors (see below), whose sum is σ = 13349376. Its totient is φ = 4171440.

The previous prime is 8030249. The next prime is 8030257. The reversal of 8030253 is 3520308.

It is an interprime number because it is at equal distance from previous prime (8030249) and next prime (8030257).

It is not a de Polignac number, because 8030253 - 22 = 8030249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8030257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17151 + ... + 17612.

It is an arithmetic number, because the mean of its divisors is an integer number (834336).

Almost surely, 28030253 is an apocalyptic number.

It is an amenable number.

8030253 is a deficient number, since it is larger than the sum of its proper divisors (5319123).

8030253 is a wasteful number, since it uses less digits than its factorization.

8030253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34784.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 8030253 is about 2833.7701035899. The cubic root of 8030253 is about 200.2517912062.

The spelling of 8030253 in words is "eight million, thirty thousand, two hundred fifty-three".

Divisors: 1 3 7 11 21 33 77 231 34763 104289 243341 382393 730023 1147179 2676751 8030253