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149232811 = 71329193293
BaseRepresentation
bin10001110010100…
…01110010101011
3101101210210221011
420321101302223
5301200422221
622450324351
73461313040
oct1071216253
9341723834
10149232811
1177268902
1241b896b7
1324bc0950
1415b691c7
15d17c1e1
hex8e51cab

149232811 has 32 divisors (see below), whose sum is σ = 191640960. Its totient is φ = 113025024.

The previous prime is 149232781. The next prime is 149232823. The reversal of 149232811 is 118232941.

149232811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149232811 - 217 = 149101739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149232011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509181 + ... + 509473.

It is an arithmetic number, because the mean of its divisors is an integer number (5988780).

Almost surely, 2149232811 is an apocalyptic number.

149232811 is a deficient number, since it is larger than the sum of its proper divisors (42408149).

149232811 is a wasteful number, since it uses less digits than its factorization.

149232811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535.

The product of its digits is 3456, while the sum is 31.

The square root of 149232811 is about 12216.0882036763. The cubic root of 149232811 is about 530.4218914406.

The spelling of 149232811 in words is "one hundred forty-nine million, two hundred thirty-two thousand, eight hundred eleven".

Divisors: 1 7 13 29 91 193 203 293 377 1351 2051 2509 2639 3809 5597 8497 17563 26663 39179 56549 59479 72761 110461 395843 509327 735137 773227 1639921 5145959 11479447 21318973 149232811