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73228084 = 2218307021
BaseRepresentation
bin1000101110101…
…01111100110100
312002210101001021
410113111330310
5122221244314
611133310524
71546266646
oct427257464
9162711037
1073228084
1138376386
1220635444
131222bc37
149a22896
156667324
hex45d5f34

73228084 has 6 divisors (see below), whose sum is σ = 128149154. Its totient is φ = 36614040.

The previous prime is 73228081. The next prime is 73228093. The reversal of 73228084 is 48082237.

It can be written as a sum of positive squares in only one way, i.e., 42536484 + 30691600 = 6522^2 + 5540^2 .

It is a super-2 number, since 2×732280842 = 10724704572622112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73228081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9153507 + ... + 9153514.

Almost surely, 273228084 is an apocalyptic number.

It is an amenable number.

73228084 is a deficient number, since it is larger than the sum of its proper divisors (54921070).

73228084 is a wasteful number, since it uses less digits than its factorization.

73228084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18307025 (or 18307023 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 73228084 is about 8557.3409421385. The cubic root of 73228084 is about 418.3687366887.

The spelling of 73228084 in words is "seventy-three million, two hundred twenty-eight thousand, eighty-four".

Divisors: 1 2 4 18307021 36614042 73228084