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48390242 = 224195121
BaseRepresentation
bin1011100010011…
…0000001100010
310101001110221012
42320212001202
544341441432
64445100522
71125211265
oct270460142
9111043835
1048390242
112535133a
1214257742
13a0437a4
1465d8cdc
1543accb2
hex2e26062

48390242 has 4 divisors (see below), whose sum is σ = 72585366. Its totient is φ = 24195120.

The previous prime is 48390239. The next prime is 48390247. The reversal of 48390242 is 24209384.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46226401 + 2163841 = 6799^2 + 1471^2 .

It is a junction number, because it is equal to n+sod(n) for n = 48390199 and 48390208.

It is not an unprimeable number, because it can be changed into a prime (48390247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12097559 + ... + 12097562.

Almost surely, 248390242 is an apocalyptic number.

48390242 is a deficient number, since it is larger than the sum of its proper divisors (24195124).

48390242 is a wasteful number, since it uses less digits than its factorization.

48390242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24195123.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 48390242 is about 6956.3095100779. The cubic root of 48390242 is about 364.4063459152.

It can be divided in two parts, 48390 and 242, that multiplied together give a triangular number (11710380 = T4839).

The spelling of 48390242 in words is "forty-eight million, three hundred ninety thousand, two hundred forty-two".

Divisors: 1 2 24195121 48390242