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42719357 = 227307613
BaseRepresentation
bin1010001011110…
…1100001111101
32222101100221102
42202331201331
541414004412
64123342445
71026052142
oct242754175
988340842
1042719357
112212875a
1212381a25
138b09535
1459603c9
153b3c8c2
hex28bd87d

42719357 has 8 divisors (see below), whose sum is σ = 43117536. Its totient is φ = 42323472.

The previous prime is 42719323. The next prime is 42719359. The reversal of 42719357 is 75391724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42719357 - 218 = 42457213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42719357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42719359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69383 + ... + 69995.

It is an arithmetic number, because the mean of its divisors is an integer number (5389692).

Almost surely, 242719357 is an apocalyptic number.

It is an amenable number.

42719357 is a deficient number, since it is larger than the sum of its proper divisors (398179).

42719357 is a wasteful number, since it uses less digits than its factorization.

42719357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147.

The product of its digits is 52920, while the sum is 38.

The square root of 42719357 is about 6536.0046664610. The cubic root of 42719357 is about 349.5759681172.

The spelling of 42719357 in words is "forty-two million, seven hundred nineteen thousand, three hundred fifty-seven".

Divisors: 1 227 307 613 69689 139151 188191 42719357