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38273313 = 3133131657
BaseRepresentation
bin1001001000000…
…0000100100001
32200000111010010
42102000010201
534244221223
63444155133
7643214001
oct222000441
980014103
1038273313
111a671341
1210998aa9
137c10940
145124001
153560393
hex2480121

38273313 has 16 divisors (see below), whose sum is σ = 56731136. Its totient is φ = 22792320.

The previous prime is 38273299. The next prime is 38273317. The reversal of 38273313 is 31337283.

It is not a de Polignac number, because 38273313 - 24 = 38273297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38273317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14620 + ... + 17037.

It is an arithmetic number, because the mean of its divisors is an integer number (3545696).

Almost surely, 238273313 is an apocalyptic number.

It is an amenable number.

38273313 is a deficient number, since it is larger than the sum of its proper divisors (18457823).

38273313 is a wasteful number, since it uses less digits than its factorization.

38273313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31704.

The product of its digits is 9072, while the sum is 30.

The square root of 38273313 is about 6186.5428956728. The cubic root of 38273313 is about 337.0016436330.

It can be divided in two parts, 3827 and 3313, that added together give a triangular number (7140 = T119).

The spelling of 38273313 in words is "thirty-eight million, two hundred seventy-three thousand, three hundred thirteen".

Divisors: 1 3 13 31 39 93 403 1209 31657 94971 411541 981367 1234623 2944101 12757771 38273313