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30242152 = 2314592591
BaseRepresentation
bin111001101011…
…1010101101000
32002220110102201
41303113111220
530220222102
63000105544
7515024353
oct163272550
962813381
1030242152
1116086416
12a1652b4
13635b285
14403329a
1529c5987
hex1cd7568

30242152 has 16 divisors (see below), whose sum is σ = 56764800. Its totient is φ = 15104880.

The previous prime is 30242131. The next prime is 30242189. The reversal of 30242152 is 25124203.

It is a super-2 number, since 2×302421522 = 1829175515182208, which contains 22 as substring.

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, 10377 + ... + 12967.

It is an arithmetic number, because the mean of its divisors is an integer number (3547800).

Almost surely, 230242152 is an apocalyptic number.

It is an amenable number.

30242152 is a deficient number, since it is larger than the sum of its proper divisors (26522648).

30242152 is a wasteful number, since it uses less digits than its factorization.

30242152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056 (or 4052 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 30242152 is about 5499.2864991742. The cubic root of 30242152 is about 311.5570363110.

Adding to 30242152 its reverse (25124203), we get a palindrome (55366355).

The spelling of 30242152 in words is "thirty million, two hundred forty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 1459 2591 2918 5182 5836 10364 11672 20728 3780269 7560538 15121076 30242152