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73225152 = 263271113127
BaseRepresentation
bin1000101110101…
…01001111000000
312002210020000200
410113111033000
5122221201102
611133245200
71546255260
oct427251700
9162706020
1073225152
1138374160
1220633800
131222a7c0
149a217a0
15666651c
hex45d53c0

73225152 has 336 divisors, whose sum is σ = 284024832. Its totient is φ = 17418240.

The previous prime is 73225151. The next prime is 73225153. The reversal of 73225152 is 25152237.

It is an interprime number because it is at equal distance from previous prime (73225151) and next prime (73225153).

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73225151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 576513 + ... + 576639.

It is an arithmetic number, because the mean of its divisors is an integer number (845312).

Almost surely, 273225152 is an apocalyptic number.

73225152 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73225152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142012416).

73225152 is an abundant number, since it is smaller than the sum of its proper divisors (210799680).

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

73225152 is a wasteful number, since it uses less digits than its factorization.

73225152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 163 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 73225152 is about 8557.1696255246. The cubic root of 73225152 is about 418.3631528860.

Adding to 73225152 its reverse (25152237), we get a palindrome (98377389).

The spelling of 73225152 in words is "seventy-three million, two hundred twenty-five thousand, one hundred fifty-two".