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148684121 = 2334918523
BaseRepresentation
bin10001101110010…
…11110101011001
3101100202221021022
420313023311121
5301030342441
622430452225
73453536255
oct1067136531
9340687238
10148684121
1176a23643
1241964075
1324a5ac91
1415a65265
15d0be84b
hex8dcbd59

148684121 has 8 divisors (see below), whose sum is σ = 155601600. Its totient is φ = 141804432.

The previous prime is 148684111. The next prime is 148684183. The reversal of 148684121 is 121486841.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-148684121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148684111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235 + ... + 17288.

It is an arithmetic number, because the mean of its divisors is an integer number (19450200).

Almost surely, 2148684121 is an apocalyptic number.

It is an amenable number.

148684121 is a deficient number, since it is larger than the sum of its proper divisors (6917479).

148684121 is a wasteful number, since it uses less digits than its factorization.

148684121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18895.

The product of its digits is 12288, while the sum is 35.

The square root of 148684121 is about 12193.6098428644. The cubic root of 148684121 is about 529.7710189208.

The spelling of 148684121 in words is "one hundred forty-eight million, six hundred eighty-four thousand, one hundred twenty-one".

Divisors: 1 23 349 8027 18523 426029 6464527 148684121