Search a number
-
+
769452148 = 223743120907
BaseRepresentation
bin101101110111001…
…110100001110100
31222121212012220201
4231313032201310
53033434432043
6204204010244
725032143503
oct5567164164
91877765821
10769452148
11365376873
12195830984
13c354873a
147429683a
1547840c4d
hex2ddce874

769452148 has 24 divisors (see below), whose sum is σ = 1415107232. Its totient is φ = 365619744.

The previous prime is 769452119. The next prime is 769452149. The reversal of 769452148 is 841254967.

It is a junction number, because it is equal to n+sod(n) for n = 769452098 and 769452107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769452149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54090 + ... + 66817.

Almost surely, 2769452148 is an apocalyptic number.

It is an amenable number.

769452148 is a deficient number, since it is larger than the sum of its proper divisors (645655084).

769452148 is a wasteful number, since it uses less digits than its factorization.

769452148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120991 (or 120989 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 769452148 is about 27739.0004866794. Note that the first 3 decimals coincide. The cubic root of 769452148 is about 916.3482162296.

The spelling of 769452148 in words is "seven hundred sixty-nine million, four hundred fifty-two thousand, one hundred forty-eight".

Divisors: 1 2 4 37 43 74 86 148 172 1591 3182 6364 120907 241814 483628 4473559 5199001 8947118 10398002 17894236 20796004 192363037 384726074 769452148