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72775150 = 2527337617
BaseRepresentation
bin1000101011001…
…11010111101110
312001221100201221
410111213113232
5122112301100
611115453554
71542402310
oct425472756
9161840657
1072775150
1138097058
12204572ba
1312100a26
1499457b0
1565c801a
hex45675ee

72775150 has 48 divisors (see below), whose sum is σ = 155409696. Its totient is φ = 24837120.

The previous prime is 72775141. The next prime is 72775159. The reversal of 72775150 is 5157727.

It is an interprime number because it is at equal distance from previous prime (72775141) and next prime (72775159).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72775159) 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, 117642 + ... + 118258.

It is an arithmetic number, because the mean of its divisors is an integer number (3237702).

Almost surely, 272775150 is an apocalyptic number.

72775150 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72775150 is an abundant number, since it is smaller than the sum of its proper divisors (82634546).

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

72775150 is a wasteful number, since it uses less digits than its factorization.

72775150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 17150, while the sum is 34.

The square root of 72775150 is about 8530.8352463285. The cubic root of 72775150 is about 417.5043804147.

The spelling of 72775150 in words is "seventy-two million, seven hundred seventy-five thousand, one hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 337 350 617 674 1234 1685 2359 3085 3370 4319 4718 6170 8425 8638 11795 15425 16850 21595 23590 30850 43190 58975 107975 117950 207929 215950 415858 1039645 1455503 2079290 2911006 5198225 7277515 10396450 14555030 36387575 72775150