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73146090 = 2352438203
BaseRepresentation
bin1000101110000…
…01111011101010
312002122012120110
410113001323222
5122211133330
611131435150
71545505623
oct427017352
9162565513
1073146090
113831a816
12205b5ab6
1312200814
149a00a4a
15664cdb0
hex45c1eea

73146090 has 16 divisors (see below), whose sum is σ = 175550688. Its totient is φ = 19505616.

The previous prime is 73146089. The next prime is 73146107. The reversal of 73146090 is 9064137.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2438203 = 73146090 / (7 + 3 + 1 + 4 + 6 + 0 + 9 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1219072 + ... + 1219131.

It is an arithmetic number, because the mean of its divisors is an integer number (10971918).

Almost surely, 273146090 is an apocalyptic number.

73146090 is an abundant number, since it is smaller than the sum of its proper divisors (102404598).

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

73146090 is a wasteful number, since it uses less digits than its factorization.

73146090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438213.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 73146090 is about 8552.5487429187. The cubic root of 73146090 is about 418.2125282339.

The spelling of 73146090 in words is "seventy-three million, one hundred forty-six thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 2438203 4876406 7314609 12191015 14629218 24382030 36573045 73146090