Search a number
-
+
3113125420 = 225743209497
BaseRepresentation
bin1011100110001110…
…1000011000101100
322000221220011020111
42321203220120230
522333430003140
61232525025404
7140101062256
oct27143503054
98027804214
103113125420
111358307229
1272a6b5264
133a7c72362
14217652cd6
1513348c7ea
hexb98e862c

3113125420 has 24 divisors (see below), whose sum is σ = 6546393504. Its totient is φ = 1243568256.

The previous prime is 3113125409. The next prime is 3113125447. The reversal of 3113125420 is 245213113.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3113125391 and 3113125400.

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, 89889 + ... + 119608.

It is an arithmetic number, because the mean of its divisors is an integer number (272766396).

Almost surely, 23113125420 is an apocalyptic number.

It is an amenable number.

3113125420 is an abundant number, since it is smaller than the sum of its proper divisors (3433268084).

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

3113125420 is a wasteful number, since it uses less digits than its factorization.

3113125420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210249 (or 210247 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3113125420 is about 55795.3888775766. The cubic root of 3113125420 is about 1460.1547061934.

Adding to 3113125420 its reverse (245213113), we get a palindrome (3358338533).

The spelling of 3113125420 in words is "three billion, one hundred thirteen million, one hundred twenty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 743 1486 2972 3715 7430 14860 209497 418994 837988 1047485 2094970 4189940 155656271 311312542 622625084 778281355 1556562710 3113125420