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494738148 = 223177193373
BaseRepresentation
bin11101011111010…
…001101011100100
31021110221022011010
4131133101223210
52003123110043
6121031542220
715155130162
oct3537215344
91243838133
10494738148
112342a3103
1211982a970
137b662088
14499c6232
152d679133
hex1d7d1ae4

494738148 has 48 divisors (see below), whose sum is σ = 1224357120. Its totient is φ = 154950144.

The previous prime is 494738143. The next prime is 494738159. The reversal of 494738148 is 841837494.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 494738097 and 494738106.

It is not an unprimeable number, because it can be changed into a prime (494738143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144990 + ... + 148362.

It is an arithmetic number, because the mean of its divisors is an integer number (25507440).

Almost surely, 2494738148 is an apocalyptic number.

It is an amenable number.

494738148 is an abundant number, since it is smaller than the sum of its proper divisors (729618972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494738148 is a wasteful number, since it uses less digits than its factorization.

494738148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116 (or 4114 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 494738148 is about 22242.7099967607. The cubic root of 494738148 is about 790.9064785655.

The spelling of 494738148 in words is "four hundred ninety-four million, seven hundred thirty-eight thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 719 1438 2157 2876 3373 4314 6746 8628 10119 12223 13492 20238 24446 36669 40476 48892 57341 73338 114682 146676 172023 229364 344046 688092 2425187 4850374 7275561 9700748 14551122 29102244 41228179 82456358 123684537 164912716 247369074 494738148