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52148737 = 110347279
BaseRepresentation
bin1100011011101…
…1101000000001
310122010102121201
43012323220001
5101322224422
65101421201
71202154064
oct306735001
9118112551
1052148737
1127489133
121556a801
13aa5b454
146cd68db
1548a1727
hex31bba01

52148737 has 4 divisors (see below), whose sum is σ = 52197120. Its totient is φ = 52100356.

The previous prime is 52148731. The next prime is 52148777. The reversal of 52148737 is 73784125.

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 52148737 - 215 = 52115969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52148696 and 52148705.

It is not an unprimeable number, because it can be changed into a prime (52148731) 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, 22537 + ... + 24742.

It is an arithmetic number, because the mean of its divisors is an integer number (13049280).

Almost surely, 252148737 is an apocalyptic number.

It is an amenable number.

52148737 is a deficient number, since it is larger than the sum of its proper divisors (48383).

52148737 is a wasteful number, since it uses less digits than its factorization.

52148737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48382.

The product of its digits is 47040, while the sum is 37.

The square root of 52148737 is about 7221.4082421644. The cubic root of 52148737 is about 373.6066503202.

The spelling of 52148737 in words is "fifty-two million, one hundred forty-eight thousand, seven hundred thirty-seven".

Divisors: 1 1103 47279 52148737