Search a number
-
+
1225133350 = 25273500381
BaseRepresentation
bin100100100000110…
…0000110100100110
310011101022020000021
41021001200310212
510002113231400
6321322505354
742234314230
oct11101406446
93141266007
101225133350
11579612901
122a236525a
13166a8429c
14b89d3250
157285271a
hex49060d26

1225133350 has 24 divisors (see below), whose sum is σ = 2604284208. Its totient is φ = 420045600.

The previous prime is 1225133321. The next prime is 1225133363. The reversal of 1225133350 is 533315221.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1749841 + ... + 1750540.

It is an arithmetic number, because the mean of its divisors is an integer number (108511842).

Almost surely, 21225133350 is an apocalyptic number.

1225133350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225133350 is an abundant number, since it is smaller than the sum of its proper divisors (1379150858).

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

1225133350 is a wasteful number, since it uses less digits than its factorization.

1225133350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500400 (or 3500395 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1225133350 is about 35001.9049481596. The cubic root of 1225133350 is about 1070.0263044164.

Adding to 1225133350 its reverse (533315221), we get a palindrome (1758448571).

The spelling of 1225133350 in words is "one billion, two hundred twenty-five million, one hundred thirty-three thousand, three hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 3500381 7000762 17501905 24502667 35003810 49005334 87509525 122513335 175019050 245026670 612566675 1225133350