Search a number
-
+
52142248 = 2331533967
BaseRepresentation
bin1100011011101…
…0000010101000
310122010002201101
43012322002220
5101322022443
65101331144
71202126134
oct306720250
9118102641
1052142248
1127484274
1215566ab4
13aa58502
146cd43c4
15489e84d
hex31ba0a8

52142248 has 32 divisors (see below), whose sum is σ = 102850560. Its totient is φ = 24747840.

The previous prime is 52142239. The next prime is 52142249. The reversal of 52142248 is 84224125.

It is not an unprimeable number, because it can be changed into a prime (52142249) by changing a digit.

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, 11161 + ... + 15127.

It is an arithmetic number, because the mean of its divisors is an integer number (3214080).

Almost surely, 252142248 is an apocalyptic number.

It is an amenable number.

52142248 is a deficient number, since it is larger than the sum of its proper divisors (50708312).

52142248 is a wasteful number, since it uses less digits than its factorization.

52142248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057 (or 4053 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 52142248 is about 7220.9589390884. The cubic root of 52142248 is about 373.5911534021.

It can be divided in two parts, 52142 and 248, that multiplied together give a square (12931216 = 35962).

The spelling of 52142248 in words is "fifty-two million, one hundred forty-two thousand, two hundred forty-eight".

Divisors: 1 2 4 8 31 53 62 106 124 212 248 424 1643 3286 3967 6572 7934 13144 15868 31736 122977 210251 245954 420502 491908 841004 983816 1682008 6517781 13035562 26071124 52142248