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48021437 = 242319819
BaseRepresentation
bin1011011100101…
…1111110111101
310100100202000202
42313023332331
544243141222
64433133245
71122114122
oct267137675
9110322022
1048021437
112511a242
12140ba225
139c44969
146540749
154338892
hex2dcbfbd

48021437 has 4 divisors (see below), whose sum is σ = 48043680. Its totient is φ = 47999196.

The previous prime is 48021427. The next prime is 48021439. The reversal of 48021437 is 73412084.

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 48021437 - 214 = 48005053 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 (48021439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7487 + ... + 12332.

It is an arithmetic number, because the mean of its divisors is an integer number (12010920).

Almost surely, 248021437 is an apocalyptic number.

It is an amenable number.

48021437 is a deficient number, since it is larger than the sum of its proper divisors (22243).

48021437 is a wasteful number, since it uses less digits than its factorization.

48021437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22242.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 48021437 is about 6929.7501397958. The cubic root of 48021437 is about 363.4782127562.

The spelling of 48021437 in words is "forty-eight million, twenty-one thousand, four hundred thirty-seven".

Divisors: 1 2423 19819 48021437