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52242142 = 246356417
BaseRepresentation
bin1100011101001…
…0011011011110
310122022011202011
43013102123132
5101333222032
65103421434
71203023311
oct307223336
9118264664
1052242142
1127542327
12155b487a
13aa91b14
146d1c978
1548be247
hex31d26de

52242142 has 8 divisors (see below), whose sum is σ = 78533856. Its totient is φ = 26064192.

The previous prime is 52242107. The next prime is 52242143. The reversal of 52242142 is 24124225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52242143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27283 + ... + 29134.

It is an arithmetic number, because the mean of its divisors is an integer number (9816732).

Almost surely, 252242142 is an apocalyptic number.

52242142 is a deficient number, since it is larger than the sum of its proper divisors (26291714).

52242142 is a wasteful number, since it uses less digits than its factorization.

52242142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56882.

The product of its digits is 1280, while the sum is 22.

The square root of 52242142 is about 7227.8725777368. The cubic root of 52242142 is about 373.8295762373.

Adding to 52242142 its reverse (24124225), we get a palindrome (76366367).

The spelling of 52242142 in words is "fifty-two million, two hundred forty-two thousand, one hundred forty-two".

Divisors: 1 2 463 926 56417 112834 26121071 52242142