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15030152 = 231878769
BaseRepresentation
bin111001010101…
…011110001000
31001021121111022
4321111132020
512321431102
61254052012
7241516454
oct71253610
931247438
1015030152
118536415
12504a008
1331632a7
141dd3664
1514bd5a2
hexe55788

15030152 has 8 divisors (see below), whose sum is σ = 28181550. Its totient is φ = 7515072.

The previous prime is 15030151. The next prime is 15030157. The reversal of 15030152 is 25103051.

15030152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 14638276 + 391876 = 3826^2 + 626^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 15030152.

It is not an unprimeable number, because it can be changed into a prime (15030151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 939377 + ... + 939392.

Almost surely, 215030152 is an apocalyptic number.

It is an amenable number.

15030152 is a deficient number, since it is larger than the sum of its proper divisors (13151398).

15030152 is a wasteful number, since it uses less digits than its factorization.

15030152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878775 (or 1878771 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 15030152 is about 3876.8739984684. The cubic root of 15030152 is about 246.7863440035.

The spelling of 15030152 in words is "fifteen million, thirty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 1878769 3757538 7515076 15030152