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8520152 = 231065019
BaseRepresentation
bin100000100000…
…000111011000
3121000212110012
4200200013120
54140121102
6502341052
7132264044
oct40400730
917025405
108520152
11489a353
122a2a788
1319c4114
1411bb024
15b34752
hex8201d8

8520152 has 8 divisors (see below), whose sum is σ = 15975300. Its totient is φ = 4260072.

The previous prime is 8520139. The next prime is 8520157. The reversal of 8520152 is 2510258.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8520157) 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 as a sum of consecutive naturals, namely, 532502 + ... + 532517.

Almost surely, 28520152 is an apocalyptic number.

It is an amenable number.

8520152 is a deficient number, since it is larger than the sum of its proper divisors (7455148).

8520152 is a wasteful number, since it uses less digits than its factorization.

8520152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065025 (or 1065021 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 8520152 is about 2918.9299409201. The cubic root of 8520152 is about 204.2439092061.

The spelling of 8520152 in words is "eight million, five hundred twenty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 1065019 2130038 4260076 8520152