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30274432 = 27236519
BaseRepresentation
bin111001101111…
…1001110000000
32002222002201021
41303133032000
530222240212
63000515224
7515220436
oct163371600
962862637
1030274432
11160a86a1
12a17bb14
13636cb86
144040d56
1529d0307
hex1cdf380

30274432 has 16 divisors (see below), whose sum is σ = 60312600. Its totient is φ = 15137152.

The previous prime is 30274427. The next prime is 30274457. The reversal of 30274432 is 23447203.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 30274397 and 30274406.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 118132 + ... + 118387.

Almost surely, 230274432 is an apocalyptic number.

30274432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30274432 is a deficient number, since it is larger than the sum of its proper divisors (30038168).

30274432 is an equidigital number, since it uses as much as digits as its factorization.

30274432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236533 (or 236521 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 30274432 is about 5502.2206426133. The cubic root of 30274432 is about 311.6678472634.

The spelling of 30274432 in words is "thirty million, two hundred seventy-four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 128 236519 473038 946076 1892152 3784304 7568608 15137216 30274432