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30022136 = 2317317121
BaseRepresentation
bin111001010000…
…1100111111000
32002111021121222
41302201213320
530141202021
62551251212
7513120044
oct162414770
962437558
1030022136
1115a46091
12a079b08
1362b20a1
143db7024
1529806ab
hex1ca19f8

30022136 has 32 divisors (see below), whose sum is σ = 61534080. Its totient is φ = 13670400.

The previous prime is 30022123. The next prime is 30022141. The reversal of 30022136 is 63122003.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 in 7 ways as a sum of consecutive naturals, for example, 656 + ... + 7776.

It is an arithmetic number, because the mean of its divisors is an integer number (1922940).

Almost surely, 230022136 is an apocalyptic number.

It is an amenable number.

30022136 is an abundant number, since it is smaller than the sum of its proper divisors (31511944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30022136 is a wasteful number, since it uses less digits than its factorization.

30022136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7175 (or 7171 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30022136 is about 5479.2459335204. The cubic root of 30022136 is about 310.7996559159.

Adding to 30022136 its reverse (63122003), we get a palindrome (93144139).

The spelling of 30022136 in words is "thirty million, twenty-two thousand, one hundred thirty-six".

Divisors: 1 2 4 8 17 31 34 62 68 124 136 248 527 1054 2108 4216 7121 14242 28484 56968 121057 220751 242114 441502 484228 883004 968456 1766008 3752767 7505534 15011068 30022136