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48829021 = 151323371
BaseRepresentation
bin1011101001000…
…1001001011101
310101212202211021
42322101021131
5100000012041
64502324141
71132016443
oct272211135
9111782737
1048829021
1125620a6a
1214429651
13a168417
1466b0b93
154447cd1
hex2e9125d

48829021 has 4 divisors (see below), whose sum is σ = 49152544. Its totient is φ = 48505500.

The previous prime is 48829019. The next prime is 48829093. The reversal of 48829021 is 12092884.

48829021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 48829021 - 21 = 48829019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48829721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161535 + ... + 161836.

It is an arithmetic number, because the mean of its divisors is an integer number (12288136).

Almost surely, 248829021 is an apocalyptic number.

It is an amenable number.

48829021 is a deficient number, since it is larger than the sum of its proper divisors (323523).

48829021 is a wasteful number, since it uses less digits than its factorization.

48829021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323522.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 48829021 is about 6987.7765419338. The cubic root of 48829021 is about 365.5044529279.

The spelling of 48829021 in words is "forty-eight million, eight hundred twenty-nine thousand, twenty-one".

Divisors: 1 151 323371 48829021