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38012669 is a prime number
BaseRepresentation
bin1001000100000…
…0011011111101
32122112020120122
42101000123331
534212401134
63434424325
7641050052
oct221003375
978466518
1038012669
111a503532
12108920a5
137b4c106
145097029
15350d02e
hex24406fd

38012669 has 2 divisors, whose sum is σ = 38012670. Its totient is φ = 38012668.

The previous prime is 38012657. The next prime is 38012687. The reversal of 38012669 is 96621083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28783225 + 9229444 = 5365^2 + 3038^2 .

It is a cyclic number.

It is not a de Polignac number, because 38012669 - 28 = 38012413 is a prime.

It is a super-2 number, since 2×380126692 = 2889926009007122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38012609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19006334 + 19006335.

It is an arithmetic number, because the mean of its divisors is an integer number (19006335).

Almost surely, 238012669 is an apocalyptic number.

It is an amenable number.

38012669 is a deficient number, since it is larger than the sum of its proper divisors (1).

38012669 is an equidigital number, since it uses as much as digits as its factorization.

38012669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 38012669 is about 6165.4415089270. The cubic root of 38012669 is about 336.2348986921.

The spelling of 38012669 in words is "thirty-eight million, twelve thousand, six hundred sixty-nine".