Search a number
-
+
3421030400 = 21152109613
BaseRepresentation
bin1100101111101000…
…1100100000000000
322211102021100110122
43023322030200000
524001240433100
61323244315412
7150530164364
oct31372144000
98742240418
103421030400
1114a609a857
127b5842b68
134269aa258
142464c32a4
1515050d985
hexcbe8c800

3421030400 has 144 divisors (see below), whose sum is σ = 8573865300. Its totient is φ = 1353646080.

The previous prime is 3421030399. The next prime is 3421030477. The reversal of 3421030400 is 40301243.

It can be written as a sum of positive squares in 6 ways, for example, as 472105984 + 2948924416 = 21728^2 + 54304^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5580494 + ... + 5581106.

Almost surely, 23421030400 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 3421030400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4286932650).

3421030400 is an abundant number, since it is smaller than the sum of its proper divisors (5152834900).

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

3421030400 is a wasteful number, since it uses less digits than its factorization.

3421030400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3421030400 is about 58489.5751395067. The cubic root of 3421030400 is about 1506.7885492371.

Adding to 3421030400 its reverse (40301243), we get a palindrome (3461331643).

The spelling of 3421030400 in words is "three billion, four hundred twenty-one million, thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 109 128 160 200 218 256 320 400 436 512 545 613 640 800 872 1024 1090 1226 1280 1600 1744 2048 2180 2452 2560 2725 3065 3200 3488 4360 4904 5120 5450 6130 6400 6976 8720 9808 10240 10900 12260 12800 13952 15325 17440 19616 21800 24520 25600 27904 30650 34880 39232 43600 49040 51200 55808 61300 66817 69760 78464 87200 98080 111616 122600 133634 139520 156928 174400 196160 223232 245200 267268 279040 313856 334085 348800 392320 490400 534536 558080 627712 668170 697600 784640 980800 1069072 1116160 1255424 1336340 1395200 1569280 1670425 1961600 2138144 2672680 2790400 3138560 3340850 3923200 4276288 5345360 5580800 6277120 6681700 7846400 8552576 10690720 13363400 15692800 17105152 21381440 26726800 31385600 34210304 42762880 53453600 68420608 85525760 106907200 136841216 171051520 213814400 342103040 427628800 684206080 855257600 1710515200 3421030400