Search a number
-
+
73045870 = 257304587
BaseRepresentation
bin1000101101010…
…01011101101110
312002110010002121
410112221131232
5122144431440
611125343154
71544610502
oct426513556
9162403077
1073045870
1138261497
1220567aba
1312197011
1499b6302
15662d34a
hex45a976e

73045870 has 8 divisors (see below), whose sum is σ = 131482584. Its totient is φ = 29218344.

The previous prime is 73045859. The next prime is 73045871. The reversal of 73045870 is 7854037.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73045871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3652284 + ... + 3652303.

It is an arithmetic number, because the mean of its divisors is an integer number (16435323).

Almost surely, 273045870 is an apocalyptic number.

73045870 is a deficient number, since it is larger than the sum of its proper divisors (58436714).

73045870 is a wasteful number, since it uses less digits than its factorization.

73045870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7304594.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 73045870 is about 8546.6876624807. The cubic root of 73045870 is about 418.0214384279.

The spelling of 73045870 in words is "seventy-three million, forty-five thousand, eight hundred seventy".

Divisors: 1 2 5 10 7304587 14609174 36522935 73045870