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494070156 = 223213724171
BaseRepresentation
bin11101011100101…
…110100110001100
31021102200100211200
4131130232212030
52002440221111
6121005345500
715146345526
oct3534564614
91242610750
10494070156
11233987248
12119568290
137b48a008
1449890a16
152d596256
hex1d72e98c

494070156 has 18 divisors (see below), whose sum is σ = 1248899652. Its totient is φ = 164690040.

The previous prime is 494070149. The next prime is 494070229. The reversal of 494070156 is 651070494.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 13724171 = 494070156 / (4 + 9 + 4 + 0 + 7 + 0 + 1 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 494070156.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6862050 + ... + 6862121.

It is an arithmetic number, because the mean of its divisors is an integer number (69383314).

Almost surely, 2494070156 is an apocalyptic number.

It is an amenable number.

494070156 is an abundant number, since it is smaller than the sum of its proper divisors (754829496).

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

494070156 is a wasteful number, since it uses less digits than its factorization.

494070156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13724181 (or 13724176 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 494070156 is about 22227.6889486964. The cubic root of 494070156 is about 790.5503594354.

The spelling of 494070156 in words is "four hundred ninety-four million, seventy thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 36 13724171 27448342 41172513 54896684 82345026 123517539 164690052 247035078 494070156