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30229533 = 3210731391
BaseRepresentation
bin111001101010…
…0010000011101
32002212211010100
41303110100131
530214321113
62555531313
7514642515
oct163242035
962784110
1030229533
1116077994
12a159b39
1363555c9
14402c845
1529c1d73
hex1cd441d

30229533 has 12 divisors (see below), whose sum is σ = 44074368. Its totient is φ = 19964040.

The previous prime is 30229531. The next prime is 30229541. The reversal of 30229533 is 33592203.

It is not a de Polignac number, because 30229533 - 21 = 30229531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30229497 and 30229506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30229531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14733 + ... + 16658.

It is an arithmetic number, because the mean of its divisors is an integer number (3672864).

Almost surely, 230229533 is an apocalyptic number.

It is an amenable number.

30229533 is a deficient number, since it is larger than the sum of its proper divisors (13844835).

30229533 is a wasteful number, since it uses less digits than its factorization.

30229533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31504 (or 31501 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 30229533 is about 5498.1390488055. The cubic root of 30229533 is about 311.5136963044.

The spelling of 30229533 in words is "thirty million, two hundred twenty-nine thousand, five hundred thirty-three".

Divisors: 1 3 9 107 321 963 31391 94173 282519 3358837 10076511 30229533