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149002703 = 383389041
BaseRepresentation
bin10001110000110…
…01100111001111
3101101101010021122
420320121213033
5301121041303
622441351155
73456334133
oct1070314717
9341333248
10149002703
1177120a33
1241a984bb
1324b3cca5
1415b093c3
15d133e38
hex8e199cf

149002703 has 4 divisors (see below), whose sum is σ = 149392128. Its totient is φ = 148613280.

The previous prime is 149002691. The next prime is 149002747. The reversal of 149002703 is 307200941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307200941 = 615036081.

It is a cyclic number.

It is not a de Polignac number, because 149002703 - 224 = 132225487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149002753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194138 + ... + 194903.

It is an arithmetic number, because the mean of its divisors is an integer number (37348032).

Almost surely, 2149002703 is an apocalyptic number.

149002703 is a deficient number, since it is larger than the sum of its proper divisors (389425).

149002703 is an equidigital number, since it uses as much as digits as its factorization.

149002703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389424.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 149002703 is about 12206.6663344256. Note that the first 3 decimals coincide. The cubic root of 149002703 is about 530.1491250004.

The spelling of 149002703 in words is "one hundred forty-nine million, two thousand, seven hundred three".

Divisors: 1 383 389041 149002703