Search a number
-
+
147422051 = 729751967
BaseRepresentation
bin10001100100101…
…11101101100011
3101021101211000222
420302113231203
5300220001201
622343433255
73440031620
oct1062275543
9337354028
10147422051
1176241407
124145582b
13247086aa
1415817347
15ce2091b
hex8c97b63

147422051 has 16 divisors (see below), whose sum is σ = 174704640. Its totient is φ = 121716000.

The previous prime is 147422047. The next prime is 147422059. The reversal of 147422051 is 150224741.

It is not a de Polignac number, because 147422051 - 22 = 147422047 is a prime.

It is a super-2 number, since 2×1474220512 = 43466522242093202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147422051.

It is not an unprimeable number, because it can be changed into a prime (147422059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151970 + ... + 152936.

It is an arithmetic number, because the mean of its divisors is an integer number (10919040).

Almost surely, 2147422051 is an apocalyptic number.

147422051 is a deficient number, since it is larger than the sum of its proper divisors (27282589).

147422051 is an equidigital number, since it uses as much as digits as its factorization.

147422051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 147422051 is about 12141.7482678567. The cubic root of 147422051 is about 528.2678123217.

Adding to 147422051 its reverse (150224741), we get a palindrome (297646792).

The spelling of 147422051 in words is "one hundred forty-seven million, four hundred twenty-two thousand, fifty-one".

Divisors: 1 7 29 203 751 967 5257 6769 21779 28043 152453 196301 726217 5083519 21060293 147422051