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73140982 = 236570491
BaseRepresentation
bin1000101110000…
…00101011110110
312002121221120021
410113000223312
5122211002412
611131355354
71545455005
oct427005366
9162557507
1073140982
11383169a2
12205b2b5a
13121cb3b5
1499dcc3c
15664b607
hex45c0af6

73140982 has 4 divisors (see below), whose sum is σ = 109711476. Its totient is φ = 36570490.

The previous prime is 73140961. The next prime is 73140983. The reversal of 73140982 is 28904137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28904137 = 227127331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73140983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18285244 + ... + 18285247.

It is an arithmetic number, because the mean of its divisors is an integer number (27427869).

Almost surely, 273140982 is an apocalyptic number.

73140982 is a deficient number, since it is larger than the sum of its proper divisors (36570494).

73140982 is a wasteful number, since it uses less digits than its factorization.

73140982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36570493.

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

The square root of 73140982 is about 8552.2501132743. The cubic root of 73140982 is about 418.2027930162.

The spelling of 73140982 in words is "seventy-three million, one hundred forty thousand, nine hundred eighty-two".

Divisors: 1 2 36570491 73140982