Search a number
-
+
252800283 = 3172348907
BaseRepresentation
bin11110001000101…
…10110100011011
3122121200120210110
433010112310123
51004204102113
641030215403
76156524031
oct1704266433
9577616713
10252800283
1111a77665a
12707b4563
13404b3188
1425808551
15172d8bc3
hexf116d1b

252800283 has 8 divisors (see below), whose sum is σ = 337269568. Its totient is φ = 168432264.

The previous prime is 252800269. The next prime is 252800293. The reversal of 252800283 is 382008252.

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

It is not a de Polignac number, because 252800283 - 24 = 252800267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252800283.

It is not an unprimeable number, because it can be changed into a prime (252800203) 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, 19285 + ... + 29622.

It is an arithmetic number, because the mean of its divisors is an integer number (42158696).

Almost surely, 2252800283 is an apocalyptic number.

252800283 is a deficient number, since it is larger than the sum of its proper divisors (84469285).

252800283 is a wasteful number, since it uses less digits than its factorization.

252800283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50633.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 252800283 is about 15899.6944310260. The cubic root of 252800283 is about 632.3038874987.

The spelling of 252800283 in words is "two hundred fifty-two million, eight hundred thousand, two hundred eighty-three".

Divisors: 1 3 1723 5169 48907 146721 84266761 252800283