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52970112 = 273513131
BaseRepresentation
bin1100101000010…
…0001010000000
310200200011100000
43022010022000
5102030020422
65131200000
71212144546
oct312041200
9120604300
1052970112
112799a258
12158a6000
13ac88280
14706bd96
1549b4cac
hex3284280

52970112 has 192 divisors, whose sum is σ = 171531360. Its totient is φ = 16174080.

The previous prime is 52970111. The next prime is 52970117. The reversal of 52970112 is 21107925.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (52970111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404287 + ... + 404417.

Almost surely, 252970112 is an apocalyptic number.

52970112 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52970112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85765680).

52970112 is an abundant number, since it is smaller than the sum of its proper divisors (118561248).

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

52970112 is a wasteful number, since it uses less digits than its factorization.

52970112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 52970112 is about 7278.0568835370. The cubic root of 52970112 is about 375.5579534229.

The spelling of 52970112 in words is "fifty-two million, nine hundred seventy thousand, one hundred twelve".