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30352828 = 22115231319
BaseRepresentation
bin111001111001…
…0010110111100
32010010002020211
41303302112330
530232242303
63002322204
7515665132
oct163622674
963102224
1030352828
1116151590
12a1b9364
13639976c
144061752
1529e866d
hex1cf25bc

30352828 has 24 divisors (see below), whose sum is σ = 58101120. Its totient is φ = 13759920.

The previous prime is 30352811. The next prime is 30352853. The reversal of 30352828 is 82825303.

It is a self number, because there is not a number n which added to its sum of digits gives 30352828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22353 + ... + 23671.

It is an arithmetic number, because the mean of its divisors is an integer number (2420880).

Almost surely, 230352828 is an apocalyptic number.

It is an amenable number.

30352828 is a deficient number, since it is larger than the sum of its proper divisors (27748292).

30352828 is a wasteful number, since it uses less digits than its factorization.

30352828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857 (or 1855 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 30352828 is about 5509.3400693731. The cubic root of 30352828 is about 311.9366379111.

The spelling of 30352828 in words is "thirty million, three hundred fifty-two thousand, eight hundred twenty-eight".

Divisors: 1 2 4 11 22 44 523 1046 1319 2092 2638 5276 5753 11506 14509 23012 29018 58036 689837 1379674 2759348 7588207 15176414 30352828