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38045269 = 172237957
BaseRepresentation
bin1001000100100…
…0011001010101
32122120220022001
42101020121111
534214422034
63435235301
7641244103
oct221103125
978526261
1038045269
111a525a79
12108a8b31
137b60bc2
1450a4c73
153517a14
hex2448655

38045269 has 4 divisors (see below), whose sum is σ = 40283244. Its totient is φ = 35807296.

The previous prime is 38045237. The next prime is 38045299. The reversal of 38045269 is 96254083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26142769 + 11902500 = 5113^2 + 3450^2 .

It is a cyclic number.

It is not a de Polignac number, because 38045269 - 25 = 38045237 is a prime.

It is a super-2 number, since 2×380452692 = 2894884986564722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38045209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118962 + ... + 1118995.

It is an arithmetic number, because the mean of its divisors is an integer number (10070811).

Almost surely, 238045269 is an apocalyptic number.

It is an amenable number.

38045269 is a deficient number, since it is larger than the sum of its proper divisors (2237975).

38045269 is a wasteful number, since it uses less digits than its factorization.

38045269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237974.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 38045269 is about 6168.0847108320. The cubic root of 38045269 is about 336.3309905652.

The spelling of 38045269 in words is "thirty-eight million, forty-five thousand, two hundred sixty-nine".

Divisors: 1 17 2237957 38045269