Search a number
-
+
252622451 = 2985910141
BaseRepresentation
bin11110000111010…
…11011001110011
3122121100112212002
433003223121303
51004132404301
641022324215
76155153414
oct1703533163
9577315762
10252622451
1111a664a94
127072966b
1340450253
142579d80b
15172a116b
hexf0eb673

252622451 has 8 divisors (see below), whose sum is σ = 261663600. Its totient is φ = 243603360.

The previous prime is 252622439. The next prime is 252622457. The reversal of 252622451 is 154226252.

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 252622451 - 218 = 252360307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252622457) 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 7 ways as a sum of consecutive naturals, for example, 19841 + ... + 29981.

It is an arithmetic number, because the mean of its divisors is an integer number (32707950).

Almost surely, 2252622451 is an apocalyptic number.

252622451 is a deficient number, since it is larger than the sum of its proper divisors (9041149).

252622451 is a wasteful number, since it uses less digits than its factorization.

252622451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11029.

The product of its digits is 9600, while the sum is 29.

The square root of 252622451 is about 15894.1011384727. The cubic root of 252622451 is about 632.1555882958.

The spelling of 252622451 in words is "two hundred fifty-two million, six hundred twenty-two thousand, four hundred fifty-one".

Divisors: 1 29 859 10141 24911 294089 8711119 252622451