Search a number
-
+
147920241 = 377043821
BaseRepresentation
bin10001101000100…
…01010101110001
3101022100010102110
420310101111301
5300331421431
622402235533
73444205230
oct1064212561
9338303373
10147920241
1176551737
1241655ba9
1324851391
1415906b17
15cebd346
hex8d11571

147920241 has 8 divisors (see below), whose sum is σ = 225402304. Its totient is φ = 84525840.

The previous prime is 147920239. The next prime is 147920243. The reversal of 147920241 is 142029741.

It is an interprime number because it is at equal distance from previous prime (147920239) and next prime (147920243).

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

It is not a de Polignac number, because 147920241 - 21 = 147920239 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 147920199 and 147920208.

It is not an unprimeable number, because it can be changed into a prime (147920243) 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, 3521890 + ... + 3521931.

It is an arithmetic number, because the mean of its divisors is an integer number (28175288).

Almost surely, 2147920241 is an apocalyptic number.

It is an amenable number.

147920241 is a deficient number, since it is larger than the sum of its proper divisors (77482063).

147920241 is an equidigital number, since it uses as much as digits as its factorization.

147920241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7043831.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 147920241 is about 12162.2465441217. The cubic root of 147920241 is about 528.8622096971.

Adding to 147920241 its reverse (142029741), we get a palindrome (289949982).

The spelling of 147920241 in words is "one hundred forty-seven million, nine hundred twenty thousand, two hundred forty-one".

Divisors: 1 3 7 21 7043821 21131463 49306747 147920241