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38000437469 is a prime number
BaseRepresentation
bin100011011001000000…
…001010100011011101
310122002022112020100222
4203121000022203131
51110311102444334
625242425131125
72513454250301
oct433100124335
9118068466328
1038000437469
1115130290125
127446329aa5
133777a2c377
141ba6bc7d01
15ec61add2e
hex8d900a8dd

38000437469 has 2 divisors, whose sum is σ = 38000437470. Its totient is φ = 38000437468.

The previous prime is 38000437411. The next prime is 38000437481. The reversal of 38000437469 is 96473400083.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37029304900 + 971132569 = 192430^2 + 31163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38000437469 is a prime.

It is a super-2 number, since 2×380004374692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38000437169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19000218734 + 19000218735.

It is an arithmetic number, because the mean of its divisors is an integer number (19000218735).

Almost surely, 238000437469 is an apocalyptic number.

It is an amenable number.

38000437469 is a deficient number, since it is larger than the sum of its proper divisors (1).

38000437469 is an equidigital number, since it uses as much as digits as its factorization.

38000437469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 38000437469 in words is "thirty-eight billion, four hundred thirty-seven thousand, four hundred sixty-nine".