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30525614 = 274350707
BaseRepresentation
bin111010001110…
…0100010101110
32010102212021022
41310130202232
530303304424
63010134142
7520314650
oct164344256
963385238
1030525614
111625a389
12a281352
13642a2c2
1440a86d0
152a2e95e
hex1d1c8ae

30525614 has 16 divisors (see below), whose sum is σ = 53547648. Its totient is φ = 12777912.

The previous prime is 30525613. The next prime is 30525637. The reversal of 30525614 is 41652503.

It is a super-2 number, since 2×305256142 = 1863626220153992, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30525613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24752 + ... + 25955.

It is an arithmetic number, because the mean of its divisors is an integer number (3346728).

Almost surely, 230525614 is an apocalyptic number.

30525614 is a deficient number, since it is larger than the sum of its proper divisors (23022034).

30525614 is a wasteful number, since it uses less digits than its factorization.

30525614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50759.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 30525614 is about 5524.9990045248. Note that the first 3 decimals coincide. The cubic root of 30525614 is about 312.5274267128.

The spelling of 30525614 in words is "thirty million, five hundred twenty-five thousand, six hundred fourteen".

Divisors: 1 2 7 14 43 86 301 602 50707 101414 354949 709898 2180401 4360802 15262807 30525614