Search a number
-
+
464890785241 = 4728921632
BaseRepresentation
bin1101100001111011010…
…01100110110111011001
31122102222001000210211011
412300331221212313121
530104044020111431
6553322354533521
745405266321551
oct6607551466731
91572861023734
10464890785241
1116a182801833
1276122b972a1
1334aba40829c
1418702408161
15c15d6cccb1
hex6c3da66dd9

464890785241 has 27 divisors (see below), whose sum is σ = 483354748191. Its totient is φ = 447127094304.

The previous prime is 464890785221. The next prime is 464890785253. The reversal of 464890785241 is 142587098464.

The square root of 464890785241 is 681829.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 89268890841 + 375621894400 = 298779^2 + 612880^2 .

It is a de Polignac number, because none of the positive numbers 2k-464890785241 is a prime.

It is a super-2 number, since 2×4648907852412 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464890785211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2852090626 + ... + 2852090788.

Almost surely, 2464890785241 is an apocalyptic number.

464890785241 is the 681829-th square number.

464890785241 is the 340915-th centered octagonal number.

It is an amenable number.

464890785241 is a deficient number, since it is larger than the sum of its proper divisors (18463962950).

464890785241 is an frugal number, since it uses more digits than its factorization.

464890785241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 464890785241 in words is "four hundred sixty-four billion, eight hundred ninety million, seven hundred eighty-five thousand, two hundred forty-one".

Divisors: 1 47 89 163 2209 4183 7661 7921 14507 26569 196601 360067 372287 681829 1248743 1291123 2364641 17497489 32045963 58690921 60682781 111138127 210453049 2852090707 5223491969 9891293303 464890785241