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148188117 = 37115983131
BaseRepresentation
bin10001101010100…
…10101111010101
3101022211201212210
420311102233111
5300414004432
622412104033
73446402220
oct1065225725
9338751783
10148188117
1176714a20
1241765019
132491629c
14159765b7
15d0228cc
hex8d52bd5

148188117 has 64 divisors (see below), whose sum is σ = 255467520. Its totient is φ = 74193600.

The previous prime is 148188113. The next prime is 148188119. The reversal of 148188117 is 711881841.

It is not a de Polignac number, because 148188117 - 22 = 148188113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148188113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1131142 + ... + 1131272.

It is an arithmetic number, because the mean of its divisors is an integer number (3991680).

Almost surely, 2148188117 is an apocalyptic number.

It is an amenable number.

148188117 is a deficient number, since it is larger than the sum of its proper divisors (107279403).

148188117 is a wasteful number, since it uses less digits than its factorization.

148188117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294.

The product of its digits is 14336, while the sum is 39.

The square root of 148188117 is about 12173.2541664092. The cubic root of 148188117 is about 529.1812646588.

It can be divided in two parts, 1481 and 88117, that added together give a palindrome (89598).

The spelling of 148188117 in words is "one hundred forty-eight million, one hundred eighty-eight thousand, one hundred seventeen".

Divisors: 1 3 7 11 21 33 59 77 83 131 177 231 249 393 413 581 649 913 917 1239 1441 1743 1947 2739 2751 4323 4543 4897 6391 7729 10087 10873 13629 14691 19173 23187 30261 32619 34279 53867 54103 76111 85019 102837 119603 161601 162309 228333 255057 358809 377069 595133 641507 837221 1131207 1785399 1924521 2511663 4490549 7056577 13471647 21169731 49396039 148188117