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149332729 = 7132337043
BaseRepresentation
bin10001110011010…
…10001011111001
3101101222212222211
420321222023321
5301212121404
622452415121
73462210250
oct1071521371
9341885884
10149332729
1177326987
12420174a1
1324c27280
1415b93797
15d19bb04
hex8e6a2f9

149332729 has 16 divisors (see below), whose sum is σ = 184609152. Its totient is φ = 117629568.

The previous prime is 149332727. The next prime is 149332739. The reversal of 149332729 is 927233941.

It is not a de Polignac number, because 149332729 - 21 = 149332727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149332691 and 149332700.

It is not an unprimeable number, because it can be changed into a prime (149332727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17682 + ... + 24724.

It is an arithmetic number, because the mean of its divisors is an integer number (11538072).

Almost surely, 2149332729 is an apocalyptic number.

It is an amenable number.

149332729 is a deficient number, since it is larger than the sum of its proper divisors (35276423).

149332729 is a wasteful number, since it uses less digits than its factorization.

149332729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7296.

The product of its digits is 81648, while the sum is 40.

The square root of 149332729 is about 12220.1771263759. The cubic root of 149332729 is about 530.5402453742.

The spelling of 149332729 in words is "one hundred forty-nine million, three hundred thirty-two thousand, seven hundred twenty-nine".

Divisors: 1 7 13 91 233 1631 3029 7043 21203 49301 91559 640913 1641019 11487133 21333247 149332729