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80368030 = 2559136217
BaseRepresentation
bin1001100101001…
…01000110011110
312121020010012201
410302211012132
5131033234110
611550322114
71664055061
oct462450636
9177203181
1080368030
1141402766
1222ab933a
131385ba62
14a9608d8
1570c7b3a
hex4ca519e

80368030 has 16 divisors (see below), whose sum is σ = 147115440. Its totient is φ = 31602112.

The previous prime is 80367977. The next prime is 80368039. The reversal of 80368030 is 3086308.

It is a self number, because there is not a number n which added to its sum of digits gives 80368030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80368039) 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 7 ways as a sum of consecutive naturals, for example, 67519 + ... + 68698.

It is an arithmetic number, because the mean of its divisors is an integer number (9194715).

Almost surely, 280368030 is an apocalyptic number.

80368030 is a deficient number, since it is larger than the sum of its proper divisors (66747410).

80368030 is a wasteful number, since it uses less digits than its factorization.

80368030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136283.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 80368030 is about 8964.8218052564. The cubic root of 80368030 is about 431.5466745256.

The spelling of 80368030 in words is "eighty million, three hundred sixty-eight thousand, thirty".

Divisors: 1 2 5 10 59 118 295 590 136217 272434 681085 1362170 8036803 16073606 40184015 80368030