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73225232 = 2429157813
BaseRepresentation
bin1000101110101…
…01010000010000
312002210020010122
410113111100100
5122221201412
611133245412
71546255433
oct427252020
9162706118
1073225232
1138374223
1220633868
131222a852
149a2181a
156666572
hex45d5410

73225232 has 20 divisors (see below), whose sum is σ = 146767020. Its totient is φ = 35349888.

The previous prime is 73225223. The next prime is 73225237. The reversal of 73225232 is 23252237.

It can be written as a sum of positive squares in 2 ways, for example, as 54700816 + 18524416 = 7396^2 + 4304^2 .

It is not an unprimeable number, because it can be changed into a prime (73225237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78443 + ... + 79370.

It is an arithmetic number, because the mean of its divisors is an integer number (7338351).

Almost surely, 273225232 is an apocalyptic number.

It is an amenable number.

73225232 is an abundant number, since it is smaller than the sum of its proper divisors (73541788).

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

73225232 is a wasteful number, since it uses less digits than its factorization.

73225232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157850 (or 157844 counting only the distinct ones).

The product of its digits is 5040, while the sum is 26.

The square root of 73225232 is about 8557.1742999661. The cubic root of 73225232 is about 418.3633052428.

Adding to 73225232 its reverse (23252237), we get a palindrome (96477469).

The spelling of 73225232 in words is "seventy-three million, two hundred twenty-five thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 29 58 116 232 464 157813 315626 631252 1262504 2525008 4576577 9153154 18306308 36612616 73225232