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148122321 = 31131792441
BaseRepresentation
bin10001101010000…
…10101011010001
3101022201101121220
420311002223101
5300404403241
622410435253
73446006334
oct1065025321
9338641556
10148122321
117667a546
1241732b29
13248c2359
141595a61b
15d00d166
hex8d42ad1

148122321 has 16 divisors (see below), whose sum is σ = 200439360. Its totient is φ = 97287680.

The previous prime is 148122319. The next prime is 148122349. The reversal of 148122321 is 123221841.

It is a cyclic number.

It is not a de Polignac number, because 148122321 - 21 = 148122319 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 148122291 and 148122300.

It is not an unprimeable number, because it can be changed into a prime (148122311) 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, 59461 + ... + 61901.

It is an arithmetic number, because the mean of its divisors is an integer number (12527460).

Almost surely, 2148122321 is an apocalyptic number.

It is an amenable number.

148122321 is a deficient number, since it is larger than the sum of its proper divisors (52317039).

148122321 is a wasteful number, since it uses less digits than its factorization.

148122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736.

The product of its digits is 768, while the sum is 24.

The square root of 148122321 is about 12170.5513843868. The cubic root of 148122321 is about 529.1029336708.

The spelling of 148122321 in words is "one hundred forty-eight million, one hundred twenty-two thousand, three hundred twenty-one".

Divisors: 1 3 113 179 339 537 2441 7323 20227 60681 275833 436939 827499 1310817 49374107 148122321