Search a number
-
+
551050445 = 5111923101227
BaseRepresentation
bin100000110110000…
…101110011001101
31102101220021002202
4200312011303031
52112032103240
6130402531245
716440565031
oct4066056315
91371807082
10551050445
112630653a0
12134666b25
138a21a66a
14532841c1
153359e315
hex20d85ccd

551050445 has 64 divisors (see below), whose sum is σ = 803727360. Its totient is φ = 357984000.

The previous prime is 551050441. The next prime is 551050447. The reversal of 551050445 is 544050155.

It is a happy number.

551050445 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551050445 - 22 = 551050441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551050441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2427422 + ... + 2427648.

It is an arithmetic number, because the mean of its divisors is an integer number (12558240).

Almost surely, 2551050445 is an apocalyptic number.

551050445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

551050445 is a deficient number, since it is larger than the sum of its proper divisors (252676915).

551050445 is a wasteful number, since it uses less digits than its factorization.

551050445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 551050445 is about 23474.4636786445. The cubic root of 551050445 is about 819.8425461116.

It can be divided in two parts, 5510 and 50445, that added together give a palindrome (55955).

The spelling of 551050445 in words is "five hundred fifty-one million, fifty thousand, four hundred forty-five".

Divisors: 1 5 11 19 23 55 95 101 115 209 227 253 437 505 1045 1111 1135 1265 1919 2185 2323 2497 4313 4807 5221 5555 9595 11615 12485 21109 21565 22927 24035 25553 26105 44137 47443 57431 99199 105545 114635 127765 220685 237215 252197 287155 435613 485507 495995 527321 1091189 1260985 2178065 2427535 2636605 4791743 5455945 5800531 10019099 23958715 29002655 50095495 110210089 551050445