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38803669 is a prime number
BaseRepresentation
bin1001010000000…
…1100011010101
32201000102121221
42110001203111
534413204134
63503410341
7650553142
oct224014325
981012557
1038803669
111a9a3853
1210bb39b1
138068168
1452213c9
1536175b4
hex25018d5

38803669 has 2 divisors, whose sum is σ = 38803670. Its totient is φ = 38803668.

The previous prime is 38803613. The next prime is 38803679. The reversal of 38803669 is 96630883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37271025 + 1532644 = 6105^2 + 1238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38803669 is a prime.

It is a super-2 number, since 2×388036692 = 3011449455723122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38803679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19401834 + 19401835.

It is an arithmetic number, because the mean of its divisors is an integer number (19401835).

Almost surely, 238803669 is an apocalyptic number.

It is an amenable number.

38803669 is a deficient number, since it is larger than the sum of its proper divisors (1).

38803669 is an equidigital number, since it uses as much as digits as its factorization.

38803669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 38803669 is about 6229.2591052227. The cubic root of 38803669 is about 338.5511269427.

The spelling of 38803669 in words is "thirty-eight million, eight hundred three thousand, six hundred sixty-nine".