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15121052 = 2223915817
BaseRepresentation
bin111001101011…
…101010011100
31001110020011222
4321223222130
512332333202
61300032512
7242345462
oct71535234
931406158
1015121052
118598741
125092738
13319578b
142018832
1514da4a2
hexe6ba9c

15121052 has 12 divisors (see below), whose sum is σ = 26574240. Its totient is φ = 7528416.

The previous prime is 15121033. The next prime is 15121061. The reversal of 15121052 is 25012151.

It is a self number, because there is not a number n which added to its sum of digits gives 15121052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6953 + ... + 8864.

It is an arithmetic number, because the mean of its divisors is an integer number (2214520).

Almost surely, 215121052 is an apocalyptic number.

It is an amenable number.

15121052 is a deficient number, since it is larger than the sum of its proper divisors (11453188).

15121052 is a wasteful number, since it uses less digits than its factorization.

15121052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16060 (or 16058 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 15121052 is about 3888.5796892953. The cubic root of 15121052 is about 247.2828527657.

The spelling of 15121052 in words is "fifteen million, one hundred twenty-one thousand, fifty-two".

Divisors: 1 2 4 239 478 956 15817 31634 63268 3780263 7560526 15121052