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148414779 = 3229718009
BaseRepresentation
bin10001101100010…
…10000100111011
3101100021020210200
420312022010323
5300443233104
622421013243
73451335102
oct1066120473
9340236720
10148414779
117685a247
1241854223
13249954c6
14159d5039
15d069b39
hex8d8a13b

148414779 has 24 divisors (see below), whose sum is σ = 224920800. Its totient is φ = 94174080.

The previous prime is 148414759. The next prime is 148414813. The reversal of 148414779 is 977414841.

It is a happy number.

It is not a de Polignac number, because 148414779 - 28 = 148414523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148414759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14527 + ... + 22535.

It is an arithmetic number, because the mean of its divisors is an integer number (9371700).

Almost surely, 2148414779 is an apocalyptic number.

148414779 is a deficient number, since it is larger than the sum of its proper divisors (76506021).

148414779 is a wasteful number, since it uses less digits than its factorization.

148414779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8115 (or 8112 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 148414779 is about 12182.5604451609. The cubic root of 148414779 is about 529.4509313137.

The spelling of 148414779 in words is "one hundred forty-eight million, four hundred fourteen thousand, seven hundred seventy-nine".

Divisors: 1 3 9 29 71 87 213 261 639 2059 6177 8009 18531 24027 72081 232261 568639 696783 1705917 2090349 5117751 16490531 49471593 148414779