Search a number
-
+
4003152972 = 2237139193989
BaseRepresentation
bin1110111010011011…
…0100010001001100
3101022222122020111220
43232212310101030
531144301343342
61501121243340
7201126144630
oct35646642114
911288566456
104003152972
111774748095
12938793550
134ba486890
1429d934dc0
151866995ec
hexee9b444c

4003152972 has 96 divisors (see below), whose sum is σ = 11511628800. Its totient is φ = 1054363392.

The previous prime is 4003152947. The next prime is 4003152973. The reversal of 4003152972 is 2792513004.

4003152972 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4003152973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1001554 + ... + 1005542.

It is an arithmetic number, because the mean of its divisors is an integer number (119912800).

Almost surely, 24003152972 is an apocalyptic number.

4003152972 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4003152972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5755814400).

4003152972 is an abundant number, since it is smaller than the sum of its proper divisors (7508475828).

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

4003152972 is a wasteful number, since it uses less digits than its factorization.

4003152972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935 (or 4933 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 4003152972 is about 63270.4747255780. The cubic root of 4003152972 is about 1587.8180283503.

Adding to 4003152972 its reverse (2792513004), we get a palindrome (6795665976).

The spelling of 4003152972 in words is "four billion, three million, one hundred fifty-two thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 182 273 364 546 919 1092 1838 2757 3676 3989 5514 6433 7978 11028 11947 11967 12866 15956 19299 23894 23934 25732 27923 35841 38598 47788 47868 51857 55846 71682 77196 83629 83769 103714 111692 143364 155571 167258 167538 207428 250887 311142 334516 335076 362999 501774 622284 725998 1003548 1088997 1451996 2177994 3665891 4355988 7331782 10997673 14663564 21995346 25661237 43990692 47656583 51322474 76983711 95313166 102644948 142969749 153967422 190626332 285939498 307934844 333596081 571878996 667192162 1000788243 1334384324 2001576486 4003152972