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52121955 = 353474797
BaseRepresentation
bin1100011011010…
…1000101100011
310122002001212210
43012311011203
5101320400310
65101053203
71202013024
oct306650543
9118061783
1052121955
112746aaa6
1215557203
13aa4c1c2
146ccac4b
154898820
hex31b5163

52121955 has 8 divisors (see below), whose sum is σ = 83395152. Its totient is φ = 27798368.

The previous prime is 52121941. The next prime is 52121969. The reversal of 52121955 is 55912125.

52121955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52121941) and next prime (52121969).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52121955 - 27 = 52121827 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1737384 + ... + 1737413.

It is an arithmetic number, because the mean of its divisors is an integer number (10424394).

Almost surely, 252121955 is an apocalyptic number.

52121955 is a deficient number, since it is larger than the sum of its proper divisors (31273197).

52121955 is a wasteful number, since it uses less digits than its factorization.

52121955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474805.

The product of its digits is 4500, while the sum is 30.

The square root of 52121955 is about 7219.5536565635. The cubic root of 52121955 is about 373.5426817099.

The spelling of 52121955 in words is "fifty-two million, one hundred twenty-one thousand, nine hundred fifty-five".

Divisors: 1 3 5 15 3474797 10424391 17373985 52121955