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80233053 = 3293171419
BaseRepresentation
bin1001100100001…
…00001001011101
312120222021001120
410302010021131
5131014424203
611543401153
71662653415
oct462041135
9176867046
1080233053
114132030a
1222a531b9
13138124a4
14a927645
15709cb53
hex4c8425d

80233053 has 32 divisors (see below), whose sum is σ = 116121600. Its totient is φ = 49156800.

The previous prime is 80233037. The next prime is 80233061. The reversal of 80233053 is 35033208.

It is not a de Polignac number, because 80233053 - 24 = 80233037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80233033) 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 31 ways as a sum of consecutive naturals, for example, 191278 + ... + 191696.

It is an arithmetic number, because the mean of its divisors is an integer number (3628800).

Almost surely, 280233053 is an apocalyptic number.

It is an amenable number.

80233053 is a deficient number, since it is larger than the sum of its proper divisors (35888547).

80233053 is a wasteful number, since it uses less digits than its factorization.

80233053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 80233053 is about 8957.2904943404. The cubic root of 80233053 is about 431.3049469160.

The spelling of 80233053 in words is "eighty million, two hundred thirty-three thousand, fifty-three".

Divisors: 1 3 29 31 71 87 93 213 419 899 1257 2059 2201 2697 6177 6603 12151 12989 29749 36453 38967 63829 89247 191487 376681 862721 922219 1130043 2588163 2766657 26744351 80233053