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73253152 = 257327023
BaseRepresentation
bin1000101110111…
…00000100100000
312002211122102201
410113130010200
5122223100102
611134022544
71546433020
oct427340440
9162748381
1073253152
11383931a5
1220647a54
131223a47b
149a2ba80
15666e987
hex45dc120

73253152 has 24 divisors (see below), whose sum is σ = 164820096. Its totient is φ = 31394112.

The previous prime is 73253149. The next prime is 73253231. The reversal of 73253152 is 25135237.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 73253152.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163288 + ... + 163735.

It is an arithmetic number, because the mean of its divisors is an integer number (6867504).

Almost surely, 273253152 is an apocalyptic number.

It is an amenable number.

73253152 is an abundant number, since it is smaller than the sum of its proper divisors (91566944).

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

73253152 is a wasteful number, since it uses less digits than its factorization.

73253152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327040 (or 327032 counting only the distinct ones).

The product of its digits is 6300, while the sum is 28.

The square root of 73253152 is about 8558.8055241371. The cubic root of 73253152 is about 418.4164709749.

Adding to 73253152 its reverse (25135237), we get a palindrome (98388389).

The spelling of 73253152 in words is "seventy-three million, two hundred fifty-three thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 327023 654046 1308092 2289161 2616184 4578322 5232368 9156644 10464736 18313288 36626576 73253152