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147004226 = 273502113
BaseRepresentation
bin10001100001100…
…01101101000010
3101020121120212222
420300301231002
5300113113401
622330451042
73433341515
oct1060615502
9336546788
10147004226
1175a864a6
1241293a82
13245c0465
1415748d7c
15cd8bc1b
hex8c31b42

147004226 has 4 divisors (see below), whose sum is σ = 220506342. Its totient is φ = 73502112.

The previous prime is 147004213. The next prime is 147004241. The reversal of 147004226 is 622400741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622400741 = 2531245911.

It can be written as a sum of positive squares in only one way, i.e., 146434201 + 570025 = 12101^2 + 755^2 .

It is a super-3 number, since 3×1470042263 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 147004195 and 147004204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36751055 + ... + 36751058.

Almost surely, 2147004226 is an apocalyptic number.

147004226 is a deficient number, since it is larger than the sum of its proper divisors (73502116).

147004226 is an equidigital number, since it uses as much as digits as its factorization.

147004226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73502115.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 147004226 is about 12124.5299290323. The cubic root of 147004226 is about 527.7682661735.

Adding to 147004226 its reverse (622400741), we get a palindrome (769404967).

The spelling of 147004226 in words is "one hundred forty-seven million, four thousand, two hundred twenty-six".

Divisors: 1 2 73502113 147004226