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30253448 = 236756443
BaseRepresentation
bin111001101101…
…0000110001000
32002221000221002
41303122012020
530221102243
63000234132
7515102321
oct163320610
962830832
1030253448
1116093955
12a16b948
136363464
144037448
1529c8eb8
hex1cda188

30253448 has 16 divisors (see below), whose sum is σ = 57572880. Its totient is φ = 14900688.

The previous prime is 30253423. The next prime is 30253451. The reversal of 30253448 is 84435203.

It is a super-2 number, since 2×302534482 = 1830542231777408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30253448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27686 + ... + 28757.

It is an arithmetic number, because the mean of its divisors is an integer number (3598305).

Almost surely, 230253448 is an apocalyptic number.

It is an amenable number.

30253448 is a deficient number, since it is larger than the sum of its proper divisors (27319432).

30253448 is a wasteful number, since it uses less digits than its factorization.

30253448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56516 (or 56512 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 30253448 is about 5500.3134456138. The cubic root of 30253448 is about 311.5958222434.

The spelling of 30253448 in words is "thirty million, two hundred fifty-three thousand, four hundred forty-eight".

Divisors: 1 2 4 8 67 134 268 536 56443 112886 225772 451544 3781681 7563362 15126724 30253448