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256033002 = 23199214433
BaseRepresentation
bin11110100001011…
…00000011101010
3122211202211020210
433100230003222
51011021024002
641223401550
76226146621
oct1720540352
9584684223
10256033002
11121584425
12718b32b6
1341075724
142600a6b8
151772696c
hexf42c0ea

256033002 has 16 divisors (see below), whose sum is σ = 514641600. Its totient is φ = 84915072.

The previous prime is 256032991. The next prime is 256033003. The reversal of 256033002 is 200330652.

It is a super-2 number, since 2×2560330022 = 131105796226264008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 256033002.

It is not an unprimeable number, because it can be changed into a prime (256033003) 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, 106023 + ... + 108410.

It is an arithmetic number, because the mean of its divisors is an integer number (32165100).

Almost surely, 2256033002 is an apocalyptic number.

256033002 is an abundant number, since it is smaller than the sum of its proper divisors (258608598).

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

256033002 is a wasteful number, since it uses less digits than its factorization.

256033002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214637.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 256033002 is about 16001.0312792645. The cubic root of 256033002 is about 634.9877047240.

Adding to 256033002 its reverse (200330652), we get a palindrome (456363654).

The spelling of 256033002 in words is "two hundred fifty-six million, thirty-three thousand, two".

Divisors: 1 2 3 6 199 398 597 1194 214433 428866 643299 1286598 42672167 85344334 128016501 256033002