Search a number
-
+
761487168 = 263131916057
BaseRepresentation
bin101101011000110…
…101111101000000
31222001212120000110
4231120311331000
53024420042133
6203321151320
724604351131
oct5530657500
91861776013
10761487168
11360926642
1219302b540
13c19ba230
14731c1c88
1546cbac63
hex2d635f40

761487168 has 112 divisors (see below), whose sum is σ = 2284089920. Its totient is φ = 221958144.

The previous prime is 761487161. The next prime is 761487169. The reversal of 761487168 is 861784167.

761487168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761487161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39396 + ... + 55452.

It is an arithmetic number, because the mean of its divisors is an integer number (20393660).

Almost surely, 2761487168 is an apocalyptic number.

761487168 is a gapful number since it is divisible by the number (78) 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 761487168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142044960).

761487168 is an abundant number, since it is smaller than the sum of its proper divisors (1522602752).

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

761487168 is a wasteful number, since it uses less digits than its factorization.

761487168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16104 (or 16094 counting only the distinct ones).

The product of its digits is 451584, while the sum is 48.

The square root of 761487168 is about 27595.0569486638. The cubic root of 761487168 is about 913.1753850984.

The spelling of 761487168 in words is "seven hundred sixty-one million, four hundred eighty-seven thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 19 24 26 32 38 39 48 52 57 64 76 78 96 104 114 152 156 192 208 228 247 304 312 416 456 494 608 624 741 832 912 988 1216 1248 1482 1824 1976 2496 2964 3648 3952 5928 7904 11856 15808 16057 23712 32114 47424 48171 64228 96342 128456 192684 208741 256912 305083 385368 417482 513824 610166 626223 770736 834964 915249 1027648 1220332 1252446 1541472 1669928 1830498 2440664 2504892 3082944 3339856 3660996 3966079 4881328 5009784 6679712 7321992 7932158 9762656 10019568 11898237 13359424 14643984 15864316 19525312 20039136 23796474 29287968 31728632 40078272 47592948 58575936 63457264 95185896 126914528 190371792 253829056 380743584 761487168