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8528037941 = 157173313981
BaseRepresentation
bin1111111000100111…
…11000100000110101
3211000100000012210002
413330103320200311
5114431134203231
63530121241045
7421222061243
oct77423704065
924010005702
108528037941
113686945145
1217a0033185
13a5ba640c7
145ac87b793
1534da510cb
hex1fc4f8835

8528037941 has 8 divisors (see below), whose sum is σ = 8631993144. Its totient is φ = 8424711360.

The previous prime is 8528037937. The next prime is 8528037971. The reversal of 8528037941 is 1497308258.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1392857041 + 7135180900 = 37321^2 + 84470^2 .

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 8528037941 - 22 = 8528037937 is a prime.

It is a super-2 number, since 2×85280379412 (a number of 21 digits) 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 (8528037971) 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, 129830 + ... + 184151.

It is an arithmetic number, because the mean of its divisors is an integer number (1078999143).

Almost surely, 28528037941 is an apocalyptic number.

It is an amenable number.

8528037941 is a deficient number, since it is larger than the sum of its proper divisors (103955203).

8528037941 is a wasteful number, since it uses less digits than its factorization.

8528037941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314311.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 8528037941 is about 92347.3764705852. The cubic root of 8528037941 is about 2043.0690333863.

The spelling of 8528037941 in words is "eight billion, five hundred twenty-eight million, thirty-seven thousand, nine hundred forty-one".

Divisors: 1 157 173 27161 313981 49295017 54318713 8528037941