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73261028 = 2218315257
BaseRepresentation
bin1000101110111…
…01111111100100
312002212001020102
410113131333210
5122223323103
611134123232
71546465001
oct427357744
9162761212
1073261028
1138399105
1220650518
1312240c29
149a308a8
156671e88
hex45ddfe4

73261028 has 6 divisors (see below), whose sum is σ = 128206806. Its totient is φ = 36630512.

The previous prime is 73261021. The next prime is 73261031. The reversal of 73261028 is 82016237.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 60715264 + 12545764 = 7792^2 + 3542^2 .

It is not an unprimeable number, because it can be changed into a prime (73261021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9157625 + ... + 9157632.

It is an arithmetic number, because the mean of its divisors is an integer number (21367801).

Almost surely, 273261028 is an apocalyptic number.

It is an amenable number.

73261028 is a deficient number, since it is larger than the sum of its proper divisors (54945778).

73261028 is a wasteful number, since it uses less digits than its factorization.

73261028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18315261 (or 18315259 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 73261028 is about 8559.2656227039. The cubic root of 73261028 is about 418.4314661432.

The spelling of 73261028 in words is "seventy-three million, two hundred sixty-one thousand, twenty-eight".

Divisors: 1 2 4 18315257 36630514 73261028