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239475093 = 311213311637
BaseRepresentation
bin11100100011000…
…01100110010101
3121200121121001220
432101201212111
5442301200333
635432440553
75635335054
oct1621414625
9550547056
10239475093
111131a5200
1268249159
133a7c8c50
1423b3a39b
15160558b3
hexe461995

239475093 has 48 divisors (see below), whose sum is σ = 390394368. Its totient is φ = 129571200.

The previous prime is 239475091. The next prime is 239475097. The reversal of 239475093 is 390574932.

It is not a de Polignac number, because 239475093 - 21 = 239475091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239475091) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 145471 + ... + 147107.

It is an arithmetic number, because the mean of its divisors is an integer number (8133216).

Almost surely, 2239475093 is an apocalyptic number.

It is an amenable number.

239475093 is a deficient number, since it is larger than the sum of its proper divisors (150919275).

239475093 is a wasteful number, since it uses less digits than its factorization.

239475093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1695 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 239475093 is about 15474.9828109759. The cubic root of 239475093 is about 620.9931126891.

The spelling of 239475093 in words is "two hundred thirty-nine million, four hundred seventy-five thousand, ninety-three".

Divisors: 1 3 11 13 31 33 39 93 121 143 341 363 403 429 1023 1209 1573 1637 3751 4433 4719 4911 11253 13299 18007 21281 48763 50747 54021 63843 146289 152241 198077 234091 558217 594231 659711 702273 1674651 1979133 2575001 6140387 7256821 7725003 18421161 21770463 79825031 239475093