Search a number
-
+
2149469760 = 26352239031
BaseRepresentation
bin1000000000011110…
…0100111001000000
312112210121101012010
42000013210321000
513400231013020
6553142332520
7104160122454
oct20007447100
95483541163
102149469760
11a03357499
124bba2a140
1328341bac9
14165686664
15c8a89de0
hex801e4e40

2149469760 has 56 divisors (see below), whose sum is σ = 6824569536. Its totient is φ = 573191680.

The previous prime is 2149469747. The next prime is 2149469771. The reversal of 2149469760 is 679649412.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118556 + ... + 1120475.

Almost surely, 22149469760 is an apocalyptic number.

2149469760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2149469760 is an abundant number, since it is smaller than the sum of its proper divisors (4675099776).

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

2149469760 is a wasteful number, since it uses less digits than its factorization.

2149469760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239051 (or 2239041 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 2149469760 is about 46362.3743999377. The cubic root of 2149469760 is about 1290.5567694565.

The spelling of 2149469760 in words is "two billion, one hundred forty-nine million, four hundred sixty-nine thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 2239031 4478062 6717093 8956124 11195155 13434186 17912248 22390310 26868372 33585465 35824496 44780620 53736744 67170930 71648992 89561240 107473488 134341860 143297984 179122480 214946976 268683720 358244960 429893952 537367440 716489920 1074734880 2149469760