Search a number
-
+
1307358144 = 2634416151
BaseRepresentation
bin100110111101100…
…1011001111000000
310101010000200020000
41031323023033000
510134140430034
6333421120000
744253234531
oct11573131700
93333020200
101307358144
11610a73584
123059b9000
1317ab13201
14c58b8688
1579b95599
hex4decb3c0

1307358144 has 140 divisors (see below), whose sum is σ = 3970586928. Its totient is φ = 425088000.

The previous prime is 1307358139. The next prime is 1307358163. The reversal of 1307358144 is 4418537031.

It is a happy number.

1307358144 is a `hidden beast` number, since 1 + 3 + 0 + 73 + 581 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1307358099 and 1307358108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 209469 + ... + 215619.

Almost surely, 21307358144 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 1307358144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1985293464).

1307358144 is an abundant number, since it is smaller than the sum of its proper divisors (2663228784).

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

1307358144 is an equidigital number, since it uses as much as digits as its factorization.

1307358144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216 (or 6197 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1307358144 is about 36157.4078716935. The cubic root of 1307358144 is about 1093.4481451247.

It can be divided in two parts, 13073 and 58144, that added together give a palindrome (71217).

The spelling of 1307358144 in words is "one billion, three hundred seven million, three hundred fifty-eight thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 41 48 54 64 72 81 82 96 108 123 144 162 164 192 216 246 288 324 328 369 432 492 576 648 656 738 864 984 1107 1296 1312 1476 1728 1968 2214 2592 2624 2952 3321 3936 4428 5184 5904 6151 6642 7872 8856 11808 12302 13284 17712 18453 23616 24604 26568 35424 36906 49208 53136 55359 70848 73812 98416 106272 110718 147624 166077 196832 212544 221436 252191 295248 332154 393664 442872 498231 504382 590496 664308 756573 885744 996462 1008764 1180992 1328616 1513146 1771488 1992924 2017528 2269719 2657232 3026292 3542976 3985848 4035056 4539438 5314464 6052584 6809157 7971696 8070112 9078876 10628928 12105168 13618314 15943392 16140224 18157752 20427471 24210336 27236628 31886784 36315504 40854942 48420672 54473256 72631008 81709884 108946512 145262016 163419768 217893024 326839536 435786048 653679072 1307358144