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1240061044 = 22451768633
BaseRepresentation
bin100100111101001…
…1101010001110100
310012102101121221211
41021322131101310
510014423423134
6323014451204
742505226215
oct11172352164
93172347854
101240061044
11586a89242
122a7363b04
13169baca41
14ba99b40c
1573d00764
hex49e9d474

1240061044 has 12 divisors (see below), whose sum is σ = 2170618884. Its totient is φ = 619884224.

The previous prime is 1240061033. The next prime is 1240061057. The reversal of 1240061044 is 4401600421.

It can be written as a sum of positive squares in 2 ways, for example, as 343657444 + 896403600 = 18538^2 + 29940^2 .

It is a super-3 number, since 3×12400610443 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16249 + ... + 52384.

It is an arithmetic number, because the mean of its divisors is an integer number (180884907).

Almost surely, 21240061044 is an apocalyptic number.

It is an amenable number.

1240061044 is a deficient number, since it is larger than the sum of its proper divisors (930557840).

1240061044 is a wasteful number, since it uses less digits than its factorization.

1240061044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73154 (or 73152 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1240061044 is about 35214.5004792060. The cubic root of 1240061044 is about 1074.3547002245.

Adding to 1240061044 its reverse (4401600421), we get a palindrome (5641661465).

It can be divided in two parts, 12 and 40061044, that multiplied together give a triangular number (480732528 = T31007).

The spelling of 1240061044 in words is "one billion, two hundred forty million, sixty-one thousand, forty-four".

Divisors: 1 2 4 4517 9034 18068 68633 137266 274532 310015261 620030522 1240061044