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380697973 is a prime number
BaseRepresentation
bin10110101100001…
…111110101110101
3222112100110102221
4112230033311311
51234424313343
6101435402341
712301610425
oct2654176565
9875313387
10380697973
11185992027
12a75b33b1
1360b43a96
14387bc485
152364e5ed
hex16b0fd75

380697973 has 2 divisors, whose sum is σ = 380697974. Its totient is φ = 380697972.

The previous prime is 380697971. The next prime is 380698007. The reversal of 380697973 is 379796083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230341329 + 150356644 = 15177^2 + 12262^2 .

It is a cyclic number.

It is not a de Polignac number, because 380697973 - 21 = 380697971 is a prime.

Together with 380697971, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 380697973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380697971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190348986 + 190348987.

It is an arithmetic number, because the mean of its divisors is an integer number (190348987).

Almost surely, 2380697973 is an apocalyptic number.

It is an amenable number.

380697973 is a deficient number, since it is larger than the sum of its proper divisors (1).

380697973 is an equidigital number, since it uses as much as digits as its factorization.

380697973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The square root of 380697973 is about 19511.4831061096. The cubic root of 380697973 is about 724.7588404411.

The spelling of 380697973 in words is "three hundred eighty million, six hundred ninety-seven thousand, nine hundred seventy-three".