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80742150 = 2335259809
BaseRepresentation
bin1001101000000…
…00011100000110
312121221010102000
410310000130012
5131132222100
612002330130
72000203566
oct464003406
9177833360
1080742150
1141638855
1223059946
1313960128
14aa1ada6
15714d900
hex4d00706

80742150 has 48 divisors (see below), whose sum is σ = 222493200. Its totient is φ = 21530880.

The previous prime is 80742143. The next prime is 80742157. The reversal of 80742150 is 5124708.

It is an interprime number because it is at equal distance from previous prime (80742143) and next prime (80742157).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80742157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28555 + ... + 31254.

It is an arithmetic number, because the mean of its divisors is an integer number (4635275).

Almost surely, 280742150 is an apocalyptic number.

80742150 is an abundant number, since it is smaller than the sum of its proper divisors (141751050).

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

80742150 is a wasteful number, since it uses less digits than its factorization.

80742150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59830 (or 59819 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 80742150 is about 8985.6635815058. The cubic root of 80742150 is about 432.2152669424.

Adding to 80742150 its reverse (5124708), we get a palindrome (85866858).

The spelling of 80742150 in words is "eighty million, seven hundred forty-two thousand, one hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 30 45 50 54 75 90 135 150 225 270 450 675 1350 59809 119618 179427 299045 358854 538281 598090 897135 1076562 1495225 1614843 1794270 2691405 2990450 3229686 4485675 5382810 8074215 8971350 13457025 16148430 26914050 40371075 80742150