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42719313 = 3713212037
BaseRepresentation
bin1010001011110…
…1100001010001
32222101100212210
42202331201101
541414004223
64123342333
71026052050
oct242754121
988340783
1042719313
112212871a
12123819a9
138b09500
145960397
153b3c893
hex28bd851

42719313 has 24 divisors (see below), whose sum is σ = 70494528. Its totient is φ = 22531392.

The previous prime is 42719309. The next prime is 42719321. The reversal of 42719313 is 31391724.

It is not a de Polignac number, because 42719313 - 22 = 42719309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42719323) 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, 2470 + ... + 9567.

It is an arithmetic number, because the mean of its divisors is an integer number (2937272).

Almost surely, 242719313 is an apocalyptic number.

It is an amenable number.

42719313 is a deficient number, since it is larger than the sum of its proper divisors (27775215).

42719313 is a wasteful number, since it uses less digits than its factorization.

42719313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12073 (or 12060 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 42719313 is about 6536.0013004895. The cubic root of 42719313 is about 349.5758480986.

The spelling of 42719313 in words is "forty-two million, seven hundred nineteen thousand, three hundred thirteen".

Divisors: 1 3 7 13 21 39 91 169 273 507 1183 3549 12037 36111 84259 156481 252777 469443 1095367 2034253 3286101 6102759 14239771 42719313