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52981101 = 3319139743
BaseRepresentation
bin1100101000011…
…0110101101101
310200200201102000
43022012311231
5102030343401
65131322513
71212221565
oct312066555
9120621360
1052981101
11279a7538
12158b0439
13ac90284
147071da5
1549b8186
hex3286d6d

52981101 has 32 divisors (see below), whose sum is σ = 83328000. Its totient is φ = 33176304.

The previous prime is 52981099. The next prime is 52981111. The reversal of 52981101 is 10118925.

It is not a de Polignac number, because 52981101 - 21 = 52981099 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52981111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70936 + ... + 71678.

It is an arithmetic number, because the mean of its divisors is an integer number (2604000).

Almost surely, 252981101 is an apocalyptic number.

It is an amenable number.

52981101 is a deficient number, since it is larger than the sum of its proper divisors (30346899).

52981101 is a wasteful number, since it uses less digits than its factorization.

52981101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 52981101 is about 7278.8117849001. The cubic root of 52981101 is about 375.5839222874.

The spelling of 52981101 in words is "fifty-two million, nine hundred eighty-one thousand, one hundred one".

Divisors: 1 3 9 19 27 57 139 171 417 513 743 1251 2229 2641 3753 6687 7923 14117 20061 23769 42351 71307 103277 127053 309831 381159 929493 1962263 2788479 5886789 17660367 52981101