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48631442 = 2181134341
BaseRepresentation
bin1011100110000…
…0111010010010
310101111201210112
42321200322102
544422201232
64454201322
71130234426
oct271407222
9111451715
1048631442
11254a6582
1214353242
13a0c9502
14665cb86
1544094b2
hex2e60e92

48631442 has 8 divisors (see below), whose sum is σ = 73350732. Its totient is φ = 24181200.

The previous prime is 48631423. The next prime is 48631447. The reversal of 48631442 is 24413684.

It can be written as a sum of positive squares in 2 ways, for example, as 46526041 + 2105401 = 6821^2 + 1451^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 48631399 and 48631408.

It is not an unprimeable number, because it can be changed into a prime (48631447) 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, 66809 + ... + 67532.

Almost surely, 248631442 is an apocalyptic number.

48631442 is a deficient number, since it is larger than the sum of its proper divisors (24719290).

48631442 is a wasteful number, since it uses less digits than its factorization.

48631442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134524.

The product of its digits is 18432, while the sum is 32.

The square root of 48631442 is about 6973.6247389718. The cubic root of 48631442 is about 365.0108009564.

The spelling of 48631442 in words is "forty-eight million, six hundred thirty-one thousand, four hundred forty-two".

Divisors: 1 2 181 362 134341 268682 24315721 48631442