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38311092 = 22321064197
BaseRepresentation
bin1001001000100…
…1010010110100
32200002101221100
42102021102310
534301423332
63445050100
7643432101
oct222112264
980071840
1038311092
111a697766
12109b6930
137c24bb1
145133aa8
15356b67c
hex24894b4

38311092 has 18 divisors (see below), whose sum is σ = 96842018. Its totient is φ = 12770352.

The previous prime is 38311073. The next prime is 38311093. The reversal of 38311092 is 29011383.

It can be written as a sum of positive squares in only one way, i.e., 25948836 + 12362256 = 5094^2 + 3516^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38311093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 532063 + ... + 532134.

Almost surely, 238311092 is an apocalyptic number.

It is an amenable number.

38311092 is an abundant number, since it is smaller than the sum of its proper divisors (58530926).

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

38311092 is a wasteful number, since it uses less digits than its factorization.

38311092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064207 (or 1064202 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 38311092 is about 6189.5954633562. The cubic root of 38311092 is about 337.1124902198.

The spelling of 38311092 in words is "thirty-eight million, three hundred eleven thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 1064197 2128394 3192591 4256788 6385182 9577773 12770364 19155546 38311092