Search a number
-
+
43428144 = 2437112743
BaseRepresentation
bin1010010110101…
…0100100110000
310000201101012210
42211222210300
542104200034
64150452120
71035063444
oct245524460
9100641183
1043428144
1122572231
1212664040
138cc7036
145aa6824
153c2c8e9
hex296a930

43428144 has 40 divisors (see below), whose sum is σ = 113778432. Its totient is φ = 14271040.

The previous prime is 43428137. The next prime is 43428181. The reversal of 43428144 is 44182434.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2964 + ... + 9779.

Almost surely, 243428144 is an apocalyptic number.

It is an amenable number.

43428144 is an abundant number, since it is smaller than the sum of its proper divisors (70350288).

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

43428144 is a wasteful number, since it uses less digits than its factorization.

43428144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12825 (or 12819 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

The square root of 43428144 is about 6590.0033383907. The cubic root of 43428144 is about 351.4987269173.

The spelling of 43428144 in words is "forty-three million, four hundred twenty-eight thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 71 142 213 284 426 568 852 1136 1704 3408 12743 25486 38229 50972 76458 101944 152916 203888 305832 611664 904753 1809506 2714259 3619012 5428518 7238024 10857036 14476048 21714072 43428144