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148086793 = 413611873
BaseRepresentation
bin10001101001110…
…10000000001001
3101022122120220001
420310322000021
5300402234133
622410003001
73445500631
oct1064720011
9338576801
10148086793
1176655888
1241716461
13248ac12a
141594b6c1
15d00287d
hex8d3a009

148086793 has 4 divisors (see below), whose sum is σ = 151698708. Its totient is φ = 144474880.

The previous prime is 148086791. The next prime is 148086863. The reversal of 148086793 is 397680841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 397680841 = 2089190369.

It can be written as a sum of positive squares in 2 ways, for example, as 6310144 + 141776649 = 2512^2 + 11907^2 .

It is a cyclic number.

It is not a de Polignac number, because 148086793 - 21 = 148086791 is a prime.

It is a super-2 number, since 2×1480867932 = 43859396522049698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148086791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1805896 + ... + 1805977.

It is an arithmetic number, because the mean of its divisors is an integer number (37924677).

Almost surely, 2148086793 is an apocalyptic number.

It is an amenable number.

148086793 is a deficient number, since it is larger than the sum of its proper divisors (3611915).

148086793 is an equidigital number, since it uses as much as digits as its factorization.

148086793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611914.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 148086793 is about 12169.0917080939. The cubic root of 148086793 is about 529.0606274831.

The spelling of 148086793 in words is "one hundred forty-eight million, eighty-six thousand, seven hundred ninety-three".

Divisors: 1 41 3611873 148086793