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148109073 = 377052813
BaseRepresentation
bin10001101001111…
…11011100010001
3101022200201110020
420310333130101
5300403442243
622410254053
73445622610
oct1064773421
9338621406
10148109073
11766705a2
1241727329
13248b9308
1415955877
15d009283
hex8d3f711

148109073 has 8 divisors (see below), whose sum is σ = 225690048. Its totient is φ = 84633744.

The previous prime is 148109021. The next prime is 148109077. The reversal of 148109073 is 370901841.

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

It is not a de Polignac number, because 148109073 - 29 = 148108561 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148109077) 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, 3526386 + ... + 3526427.

It is an arithmetic number, because the mean of its divisors is an integer number (28211256).

Almost surely, 2148109073 is an apocalyptic number.

It is an amenable number.

148109073 is a deficient number, since it is larger than the sum of its proper divisors (77580975).

148109073 is an equidigital number, since it uses as much as digits as its factorization.

148109073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7052823.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 148109073 is about 12170.0071076397. The cubic root of 148109073 is about 529.0871589503.

The spelling of 148109073 in words is "one hundred forty-eight million, one hundred nine thousand, seventy-three".

Divisors: 1 3 7 21 7052813 21158439 49369691 148109073