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387057007 is a prime number
BaseRepresentation
bin10111000100100…
…000010101101111
3222222022112101201
4113010200111233
51243041311012
6102223550331
712406634041
oct2704402557
9888275351
10387057007
11189535727
12a975b3a7
136225c31c
1439595a91
1523ea8857
hex1712056f

387057007 has 2 divisors, whose sum is σ = 387057008. Its totient is φ = 387057006.

The previous prime is 387056993. The next prime is 387057043. The reversal of 387057007 is 700750783.

It is a weak prime.

It is an emirp because it is prime and its reverse (700750783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 387057007 - 211 = 387054959 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387054007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193528503 + 193528504.

It is an arithmetic number, because the mean of its divisors is an integer number (193528504).

Almost surely, 2387057007 is an apocalyptic number.

387057007 is a deficient number, since it is larger than the sum of its proper divisors (1).

387057007 is an equidigital number, since it uses as much as digits as its factorization.

387057007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 387057007 is about 19673.7644338850. The cubic root of 387057007 is about 728.7719434936.

The spelling of 387057007 in words is "three hundred eighty-seven million, fifty-seven thousand, seven".