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72830194 = 2291255693
BaseRepresentation
bin1000101011101…
…00110011110010
312002001011020121
410111310303302
5122121031234
611121000454
71543021633
oct425646362
9162034217
1072830194
1138124448
122048312a
131211cab8
14995b88a
1565d94b4
hex4574cf2

72830194 has 8 divisors (see below), whose sum is σ = 113012460. Its totient is φ = 35159376.

The previous prime is 72830189. The next prime is 72830209. The reversal of 72830194 is 49103827.

It can be written as a sum of positive squares in 2 ways, for example, as 72029169 + 801025 = 8487^2 + 895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627789 + ... + 627904.

Almost surely, 272830194 is an apocalyptic number.

72830194 is a deficient number, since it is larger than the sum of its proper divisors (40182266).

72830194 is a wasteful number, since it uses less digits than its factorization.

72830194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255724.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 72830194 is about 8534.0608153446. The cubic root of 72830194 is about 417.6096146857.

The spelling of 72830194 in words is "seventy-two million, eight hundred thirty thousand, one hundred ninety-four".

Divisors: 1 2 29 58 1255693 2511386 36415097 72830194