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149385883 is a prime number
BaseRepresentation
bin10001110011101…
…11001010011011
3101102002120220111
420321313022123
5301220322013
622453505151
73462521233
oct1071671233
9342076814
10149385883
1177362909
12420421b7
1324c4551a
1415ba8cc3
15d1ac73d
hex8e7729b

149385883 has 2 divisors, whose sum is σ = 149385884. Its totient is φ = 149385882.

The previous prime is 149385833. The next prime is 149385949. The reversal of 149385883 is 388583941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149385883 - 217 = 149254811 is a prime.

It is a super-2 number, since 2×1493858832 = 44632284079379378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149385833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74692941 + 74692942.

It is an arithmetic number, because the mean of its divisors is an integer number (74692942).

Almost surely, 2149385883 is an apocalyptic number.

149385883 is a deficient number, since it is larger than the sum of its proper divisors (1).

149385883 is an equidigital number, since it uses as much as digits as its factorization.

149385883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 49.

The square root of 149385883 is about 12222.3517786063. The cubic root of 149385883 is about 530.6031853409.

It can be divided in two parts, 1493858 and 83, that added together give a palindrome (1493941).

The spelling of 149385883 in words is "one hundred forty-nine million, three hundred eighty-five thousand, eight hundred eighty-three".