Search a number
-
+
49943272 = 236242909
BaseRepresentation
bin1011111010000…
…1001011101000
310110222101021211
42332201023220
5100241141042
64542242504
71144340131
oct276411350
9113871254
1049943272
1126212135
1214886434
13a468642
1468c0c88
1545b8017
hex2fa12e8

49943272 has 8 divisors (see below), whose sum is σ = 93643650. Its totient is φ = 24971632.

The previous prime is 49943251. The next prime is 49943273. The reversal of 49943272 is 27234994.

49943272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 45887076 + 4056196 = 6774^2 + 2014^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (49943273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3121447 + ... + 3121462.

Almost surely, 249943272 is an apocalyptic number.

49943272 is the 3778-th centered heptagonal number.

It is an amenable number.

49943272 is a deficient number, since it is larger than the sum of its proper divisors (43700378).

49943272 is a wasteful number, since it uses less digits than its factorization.

49943272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242915 (or 6242911 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 49943272 is about 7067.0553981131. The cubic root of 49943272 is about 368.2637719806.

The spelling of 49943272 in words is "forty-nine million, nine hundred forty-three thousand, two hundred seventy-two".

Divisors: 1 2 4 8 6242909 12485818 24971636 49943272