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48043381 = 192528599
BaseRepresentation
bin1011011101000…
…1010101110101
310100101212010111
42313101111311
544244342011
64433423021
71122235111
oct267212565
9110355114
1048043381
1125134781
121410aa71
139c51949
146548741
154340121
hex2dd1575

48043381 has 4 divisors (see below), whose sum is σ = 50572000. Its totient is φ = 45514764.

The previous prime is 48043367. The next prime is 48043393. The reversal of 48043381 is 18334084.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48043381 - 27 = 48043253 is a prime.

It is a super-2 number, since 2×480433812 = 4616332915822322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48043301) 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, 1264281 + ... + 1264318.

It is an arithmetic number, because the mean of its divisors is an integer number (12643000).

Almost surely, 248043381 is an apocalyptic number.

It is an amenable number.

48043381 is a deficient number, since it is larger than the sum of its proper divisors (2528619).

48043381 is a wasteful number, since it uses less digits than its factorization.

48043381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528618.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 48043381 is about 6931.3332772274. Note that the first 3 decimals coincide. The cubic root of 48043381 is about 363.5335696396.

The spelling of 48043381 in words is "forty-eight million, forty-three thousand, three hundred eighty-one".

Divisors: 1 19 2528599 48043381