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52148806 = 2191578741
BaseRepresentation
bin1100011011101…
…1101001000110
310122010102201021
43012323221012
5101322230211
65101421354
71202154223
oct306735106
9118112637
1052148806
1127489196
121556a85a
13aa5b4a8
146cd694a
1548a1771
hex31bba46

52148806 has 16 divisors (see below), whose sum is σ = 82874160. Its totient is φ = 24541920.

The previous prime is 52148783. The next prime is 52148807. The reversal of 52148806 is 60884125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52148807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1596 + ... + 10336.

It is an arithmetic number, because the mean of its divisors is an integer number (5179635).

Almost surely, 252148806 is an apocalyptic number.

52148806 is a deficient number, since it is larger than the sum of its proper divisors (30725354).

52148806 is a wasteful number, since it uses less digits than its factorization.

52148806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8919.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 52148806 is about 7221.4130196243. The cubic root of 52148806 is about 373.6068150979.

The spelling of 52148806 in words is "fifty-two million, one hundred forty-eight thousand, eight hundred six".

Divisors: 1 2 19 38 157 314 2983 5966 8741 17482 166079 332158 1372337 2744674 26074403 52148806