Search a number
-
+
1020441512 = 23196713431
BaseRepresentation
bin111100110100101…
…011001110101000
32122010010210121002
4330310223032220
54042213112022
6245131334132
734200416066
oct7464531650
92563123532
101020441512
114840158a2
122458b1348
1313354655c
149974d036
155e8bd092
hex3cd2b3a8

1020441512 has 16 divisors (see below), whose sum is σ = 2014029600. Its totient is φ = 483366960.

The previous prime is 1020441511. The next prime is 1020441551. The reversal of 1020441512 is 2151440201.

It is a happy number.

It is a super-2 number, since 2×10204415122 = 2082601758825692288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020441511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3356564 + ... + 3356867.

It is an arithmetic number, because the mean of its divisors is an integer number (125876850).

Almost surely, 21020441512 is an apocalyptic number.

It is an amenable number.

1020441512 is a deficient number, since it is larger than the sum of its proper divisors (993588088).

1020441512 is a wasteful number, since it uses less digits than its factorization.

1020441512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6713456 (or 6713452 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1020441512 is about 31944.3502359963. The cubic root of 1020441512 is about 1006.7679291339.

Adding to 1020441512 its reverse (2151440201), we get a palindrome (3171881713).

The spelling of 1020441512 in words is "one billion, twenty million, four hundred forty-one thousand, five hundred twelve".

Divisors: 1 2 4 8 19 38 76 152 6713431 13426862 26853724 53707448 127555189 255110378 510220756 1020441512