Search a number
-
+
73708146 = 23223178039
BaseRepresentation
bin1000110010010…
…11001001110010
312010200202120100
410121023021302
5122332130041
611151453230
71553336361
oct431131162
9163622510
1073708146
1138674026
1220827216
13123695b5
149b097d8
15670e6b6
hex464b272

73708146 has 24 divisors (see below), whose sum is σ = 166645440. Its totient is φ = 23501016.

The previous prime is 73708093. The next prime is 73708147. The reversal of 73708146 is 64180737.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73708146.

It is not an unprimeable number, because it can be changed into a prime (73708147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88606 + ... + 89433.

It is an arithmetic number, because the mean of its divisors is an integer number (6943560).

Almost surely, 273708146 is an apocalyptic number.

73708146 is an abundant number, since it is smaller than the sum of its proper divisors (92937294).

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

73708146 is a wasteful number, since it uses less digits than its factorization.

73708146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178070 (or 178067 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 73708146 is about 8585.3448387354. The cubic root of 73708146 is about 419.2809806610.

The spelling of 73708146 in words is "seventy-three million, seven hundred eight thousand, one hundred forty-six".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 178039 356078 534117 1068234 1602351 3204702 4094897 8189794 12284691 24569382 36854073 73708146