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52030146 = 2374332861
BaseRepresentation
bin1100011001111…
…0101011000010
310121220101221110
43012132223002
5101304431041
65055104150
71201151250
oct306365302
9117811843
1052030146
1127408023
1215512056
13aa1948c
146ca55d0
15487b516
hex319eac2

52030146 has 32 divisors (see below), whose sum is σ = 119242368. Its totient is φ = 14826240.

The previous prime is 52030087. The next prime is 52030157. The reversal of 52030146 is 64103025.

It is a happy number.

52030146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 15 ways as a sum of consecutive naturals, for example, 16756 + ... + 19616.

It is an arithmetic number, because the mean of its divisors is an integer number (3726324).

Almost surely, 252030146 is an apocalyptic number.

52030146 is an abundant number, since it is smaller than the sum of its proper divisors (67212222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52030146 is a wasteful number, since it uses less digits than its factorization.

52030146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 52030146 is about 7213.1924970848. The cubic root of 52030146 is about 373.3232301333.

The spelling of 52030146 in words is "fifty-two million, thirty thousand, one hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 433 866 1299 2598 2861 3031 5722 6062 8583 9093 17166 18186 20027 40054 60081 120162 1238813 2477626 3716439 7432878 8671691 17343382 26015073 52030146