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551344002 = 23112799613
BaseRepresentation
bin100000110111001…
…101011110000010
31102102110011210020
4200313031132002
52112121002002
6130413114310
716443226626
oct4067153602
91372404706
10551344002
11263245a00
12134788996
138a2c1171
145331d186
153360b2bc
hex20dcd782

551344002 has 48 divisors (see below), whose sum is σ = 1227515520. Its totient is φ = 164941920.

The previous prime is 551343997. The next prime is 551344009. The reversal of 551344002 is 200443155.

It is not an unprimeable number, because it can be changed into a prime (551344009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52548 + ... + 62160.

It is an arithmetic number, because the mean of its divisors is an integer number (25573240).

Almost surely, 2551344002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551344002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613757760).

551344002 is an abundant number, since it is smaller than the sum of its proper divisors (676171518).

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

551344002 is a wasteful number, since it uses less digits than its factorization.

551344002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9719 (or 9708 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 551344002 is about 23480.7155342421. The cubic root of 551344002 is about 819.9881031389.

Adding to 551344002 its reverse (200443155), we get a palindrome (751787157).

The spelling of 551344002 in words is "five hundred fifty-one million, three hundred forty-four thousand, two".

Divisors: 1 2 3 6 11 22 33 66 79 121 158 237 242 363 474 726 869 1738 2607 5214 9559 9613 19118 19226 28677 28839 57354 57678 105743 211486 317229 634458 759427 1163173 1518854 2278281 2326346 3489519 4556562 6979038 8353697 16707394 25061091 50122182 91890667 183781334 275672001 551344002