Search a number
-
+
148221233 = 297171987
BaseRepresentation
bin10001101010110…
…10110100110001
3101022220102022022
420311122310301
5300421034413
622412521225
73446600606
oct1065326461
9338812268
10148221233
1176737896
1241780215
1324928394
14159846ad
15d02c608
hex8d5ad31

148221233 has 8 divisors (see below), whose sum is σ = 155494080. Its totient is φ = 141092560.

The previous prime is 148221217. The next prime is 148221247. The reversal of 148221233 is 332122841.

148221233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 148221233 - 24 = 148221217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (148221253) 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, 33935 + ... + 38052.

It is an arithmetic number, because the mean of its divisors is an integer number (19436760).

Almost surely, 2148221233 is an apocalyptic number.

It is an amenable number.

148221233 is a deficient number, since it is larger than the sum of its proper divisors (7272847).

148221233 is an equidigital number, since it uses as much as digits as its factorization.

148221233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72087.

The product of its digits is 2304, while the sum is 26.

The square root of 148221233 is about 12174.6142854712. The cubic root of 148221233 is about 529.2206809131.

The spelling of 148221233 in words is "one hundred forty-eight million, two hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 29 71 2059 71987 2087623 5111077 148221233