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38809298 = 211361239
BaseRepresentation
bin1001010000001…
…0111011010010
32201000201100102
42110002323102
534413344143
63503452402
7650605433
oct224027322
981021312
1038809298
111a9a8000
1210bb7102
13806a8a8
14522348a
1536190b8
hex2502ed2

38809298 has 32 divisors (see below), whose sum is σ = 65352960. Its totient is φ = 17278800.

The previous prime is 38809291. The next prime is 38809321. The reversal of 38809298 is 89290883.

It is a happy number.

It is a super-2 number, since 2×388092982 = 3012323222505608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38809291) 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, 162263 + ... + 162501.

It is an arithmetic number, because the mean of its divisors is an integer number (2042280).

Almost surely, 238809298 is an apocalyptic number.

38809298 is a deficient number, since it is larger than the sum of its proper divisors (26543662).

38809298 is a wasteful number, since it uses less digits than its factorization.

38809298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 38809298 is about 6229.7109082204. The cubic root of 38809298 is about 338.5674966332.

The spelling of 38809298 in words is "thirty-eight million, eight hundred nine thousand, two hundred ninety-eight".

Divisors: 1 2 11 22 61 121 122 239 242 478 671 1331 1342 2629 2662 5258 7381 14579 14762 28919 29158 57838 81191 160369 162382 318109 320738 636218 1764059 3528118 19404649 38809298