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1204161344 = 2683397571
BaseRepresentation
bin100011111000110…
…0000101101000000
310002220211201211022
41013301200231000
54431231130334
6315253205012
741561126321
oct10761405500
93086751738
101204161344
11568799271
12297330768
13162620609
14b5cd4448
1570aad82e
hex47c60b40

1204161344 has 56 divisors (see below), whose sum is σ = 2428634208. Its totient is φ = 592289280.

The previous prime is 1204161341. The next prime is 1204161373. The reversal of 1204161344 is 4431614021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204161341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2108579 + ... + 2109149.

It is an arithmetic number, because the mean of its divisors is an integer number (43368468).

Almost surely, 21204161344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204161344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1214317104).

1204161344 is an abundant number, since it is smaller than the sum of its proper divisors (1224472864).

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

1204161344 is an equidigital number, since it uses as much as digits as its factorization.

1204161344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1204161344 is about 34701.0279963001. The cubic root of 1204161344 is about 1063.8855097567.

Adding to 1204161344 its reverse (4431614021), we get a palindrome (5635775365).

The spelling of 1204161344 in words is "one billion, two hundred four million, one hundred sixty-one thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 32 64 83 166 332 397 571 664 794 1142 1328 1588 2284 2656 3176 4568 5312 6352 9136 12704 18272 25408 32951 36544 47393 65902 94786 131804 189572 226687 263608 379144 453374 527216 758288 906748 1054432 1516576 1813496 2108864 3033152 3626992 7253984 14507968 18815021 37630042 75260084 150520168 301040336 602080672 1204161344