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52701181 = 1310933709
BaseRepresentation
bin1100100100001…
…0011111111101
310200011111102121
43021002133331
5101442414211
65121322541
71206644521
oct311023775
9120144377
1052701181
11278261a5
1215796451
13abc2a40
146ddbd81
154960271
hex32427fd

52701181 has 8 divisors (see below), whose sum is σ = 56822360. Its totient is φ = 48589632.

The previous prime is 52701179. The next prime is 52701199. The reversal of 52701181 is 18110725.

It can be written as a sum of positive squares in 4 ways, for example, as 8265625 + 44435556 = 2875^2 + 6666^2 .

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

It is not a de Polignac number, because 52701181 - 21 = 52701179 is a prime.

It is a super-2 number, since 2×527011812 = 5554828957589522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52701161) 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, 12355 + ... + 16063.

It is an arithmetic number, because the mean of its divisors is an integer number (7102795).

Almost surely, 252701181 is an apocalyptic number.

It is an amenable number.

52701181 is a deficient number, since it is larger than the sum of its proper divisors (4121179).

52701181 is a wasteful number, since it uses less digits than its factorization.

52701181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 52701181 is about 7259.5579066497. The cubic root of 52701181 is about 374.9213014112.

The spelling of 52701181 in words is "fifty-two million, seven hundred one thousand, one hundred eighty-one".

Divisors: 1 13 1093 3709 14209 48217 4053937 52701181