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42772341 = 3231633803
BaseRepresentation
bin1010001100101…
…0011101110101
32222111001121210
42203022131311
541422203331
64124432033
71026362463
oct243123565
988431553
1042772341
1122164547
12123a8619
138b276a1
145975833
153b4d446
hex28ca775

42772341 has 16 divisors (see below), whose sum is σ = 59890176. Its totient is φ = 27100656.

The previous prime is 42772339. The next prime is 42772351. The reversal of 42772341 is 14327724.

It is not a de Polignac number, because 42772341 - 21 = 42772339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42772299 and 42772308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42772321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9346 + ... + 13148.

It is an arithmetic number, because the mean of its divisors is an integer number (3743136).

Almost surely, 242772341 is an apocalyptic number.

It is an amenable number.

42772341 is a deficient number, since it is larger than the sum of its proper divisors (17117835).

42772341 is a wasteful number, since it uses less digits than its factorization.

42772341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992.

The product of its digits is 9408, while the sum is 30.

The square root of 42772341 is about 6540.0566511308. The cubic root of 42772341 is about 349.7204325333.

The spelling of 42772341 in words is "forty-two million, seven hundred seventy-two thousand, three hundred forty-one".

Divisors: 1 3 23 69 163 489 3749 3803 11247 11409 87469 262407 619889 1859667 14257447 42772341