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149739098 = 2531412633
BaseRepresentation
bin10001110110011…
…01011001011010
3101102202112102112
420323031121122
5301313122343
622505232322
73465522065
oct1073153132
9342675375
10149739098
1177584223
12421926a2
132503a222
1415c5b8dc
15d22c218
hex8ecd65a

149739098 has 8 divisors (see below), whose sum is σ = 228846708. Its totient is φ = 73456864.

The previous prime is 149739097. The next prime is 149739127. The reversal of 149739098 is 890937941.

It can be written as a sum of positive squares in 2 ways, for example, as 138603529 + 11135569 = 11773^2 + 3337^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (149739091) 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, 706211 + ... + 706422.

Almost surely, 2149739098 is an apocalyptic number.

149739098 is a deficient number, since it is larger than the sum of its proper divisors (79107610).

149739098 is a wasteful number, since it uses less digits than its factorization.

149739098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412688.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 149739098 is about 12236.7927987688. The cubic root of 149739098 is about 531.0210505402.

The spelling of 149739098 in words is "one hundred forty-nine million, seven hundred thirty-nine thousand, ninety-eight".

Divisors: 1 2 53 106 1412633 2825266 74869549 149739098