Search a number
-
+
73229072 = 247653831
BaseRepresentation
bin1000101110101…
…10001100010000
312002210102101212
410113112030100
5122221312242
611133315252
71546302560
oct427261420
9162712355
1073229072
11383770a4
1220635b28
131222c517
149a22da0
156667782
hex45d6310

73229072 has 20 divisors (see below), whose sum is σ = 162150336. Its totient is φ = 31383840.

The previous prime is 73229071. The next prime is 73229077. The reversal of 73229072 is 27092237.

It is not an unprimeable number, because it can be changed into a prime (73229071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326804 + ... + 327027.

Almost surely, 273229072 is an apocalyptic number.

It is an amenable number.

73229072 is an abundant number, since it is smaller than the sum of its proper divisors (88921264).

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

73229072 is a wasteful number, since it uses less digits than its factorization.

73229072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653846 (or 653840 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 73229072 is about 8557.3986701567. The cubic root of 73229072 is about 418.3706182366.

The spelling of 73229072 in words is "seventy-three million, two hundred twenty-nine thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 653831 1307662 2615324 4576817 5230648 9153634 10461296 18307268 36614536 73229072