Search a number
-
+
1225558060 = 225411494583
BaseRepresentation
bin100100100001100…
…1000100000101100
310011102002210121021
41021003020200230
510002220324220
6321335543524
742241033366
oct11103104054
93142083537
101225558060
11579882a01
122a252aba4
13166ba26ac
14b8aa3d36
15728d84aa
hex490c882c

1225558060 has 24 divisors (see below), whose sum is σ = 2636446176. Its totient is φ = 478266240.

The previous prime is 1225558031. The next prime is 1225558097. The reversal of 1225558060 is 608555221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746472 + ... + 748111.

It is an arithmetic number, because the mean of its divisors is an integer number (109851924).

Almost surely, 21225558060 is an apocalyptic number.

1225558060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225558060 is an abundant number, since it is smaller than the sum of its proper divisors (1410888116).

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

1225558060 is a wasteful number, since it uses less digits than its factorization.

1225558060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494633 (or 1494631 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 1225558060 is about 35007.9713779590. The cubic root of 1225558060 is about 1070.1499367725.

The spelling of 1225558060 in words is "one billion, two hundred twenty-five million, five hundred fifty-eight thousand, sixty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 1494583 2989166 5978332 7472915 14945830 29891660 61277903 122555806 245111612 306389515 612779030 1225558060