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22348149 = 3173111409
BaseRepresentation
bin101010101000…
…0000101110101
31120001101220020
41111100011311
521210120044
62114555353
7360645645
oct125200565
946041806
1022348149
111168454a
127598b59
134826175
142d7a525
151e66a19
hex1550175

22348149 has 16 divisors (see below), whose sum is σ = 31674240. Its totient is φ = 13967360.

The previous prime is 22348129. The next prime is 22348153. The reversal of 22348149 is 94184322.

It is a cyclic number.

It is not a de Polignac number, because 22348149 - 212 = 22344053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22348129) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15157 + ... + 16565.

It is an arithmetic number, because the mean of its divisors is an integer number (1979640).

Almost surely, 222348149 is an apocalyptic number.

It is an amenable number.

22348149 is a deficient number, since it is larger than the sum of its proper divisors (9326091).

22348149 is a wasteful number, since it uses less digits than its factorization.

22348149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740.

The product of its digits is 13824, while the sum is 33.

The square root of 22348149 is about 4727.3828911989. The cubic root of 22348149 is about 281.6742755940.

The spelling of 22348149 in words is "twenty-two million, three hundred forty-eight thousand, one hundred forty-nine".

Divisors: 1 3 17 51 311 933 1409 4227 5287 15861 23953 71859 438199 1314597 7449383 22348149