Search a number
-
+
73161130 = 2574572287
BaseRepresentation
bin1000101110001…
…01100110101010
312002122222012111
410113011212222
5122212124010
611132032534
71545600520
oct427054652
9162588174
1073161130
1138330049
122060274a
1312207613
149a06310
15665258a
hex45c59aa

73161130 has 32 divisors (see below), whose sum is σ = 150898176. Its totient is φ = 25017984.

The previous prime is 73161107. The next prime is 73161131. The reversal of 73161130 is 3116137.

It is not an unprimeable number, because it can be changed into a prime (73161131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30847 + ... + 33133.

It is an arithmetic number, because the mean of its divisors is an integer number (4715568).

Almost surely, 273161130 is an apocalyptic number.

73161130 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73161130 is an abundant number, since it is smaller than the sum of its proper divisors (77737046).

73161130 is a wasteful number, since it uses less digits than its factorization.

73161130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 73161130 is about 8553.4279677799. The cubic root of 73161130 is about 418.2411899863.

Adding to 73161130 its reverse (3116137), we get a palindrome (76277267).

The spelling of 73161130 in words is "seventy-three million, one hundred sixty-one thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 457 914 2285 2287 3199 4570 4574 6398 11435 15995 16009 22870 31990 32018 80045 160090 1045159 2090318 5225795 7316113 10451590 14632226 36580565 73161130