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148813217 = 799721323
BaseRepresentation
bin10001101111010…
…11010110100001
3101101000111100122
420313223112201
5301044010332
622433330025
73454614530
oct1067532641
9341014318
10148813217
1177001633
1241a06915
1324aa4977
1415a9a317
15d0e7c12
hex8deb5a1

148813217 has 8 divisors (see below), whose sum is σ = 170250816. Its totient is φ = 127420272.

The previous prime is 148813211. The next prime is 148813219. The reversal of 148813217 is 712318841.

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

It is not a de Polignac number, because 148813217 - 216 = 148747681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148813211) 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, 3683 + ... + 17640.

It is an arithmetic number, because the mean of its divisors is an integer number (21281352).

Almost surely, 2148813217 is an apocalyptic number.

It is an amenable number.

148813217 is a deficient number, since it is larger than the sum of its proper divisors (21437599).

148813217 is an equidigital number, since it uses as much as digits as its factorization.

148813217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22327.

The product of its digits is 10752, while the sum is 35.

The square root of 148813217 is about 12198.9022866814. The cubic root of 148813217 is about 529.9243003311.

The spelling of 148813217 in words is "one hundred forty-eight million, eight hundred thirteen thousand, two hundred seventeen".

Divisors: 1 7 997 6979 21323 149261 21259031 148813217