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42738795 = 3251186341
BaseRepresentation
bin1010001100001…
…0010001101011
32222102100121100
42203002101223
541420120140
64124012443
71026162621
oct243022153
988370540
1042738795
1122141320
1212391123
138b15338
145967511
153b43530
hex28c246b

42738795 has 24 divisors (see below), whose sum is σ = 80816112. Its totient is φ = 20721600.

The previous prime is 42738781. The next prime is 42738803. The reversal of 42738795 is 59783724.

It is not a de Polignac number, because 42738795 - 27 = 42738667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42738795.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42676 + ... + 43665.

It is an arithmetic number, because the mean of its divisors is an integer number (3367338).

Almost surely, 242738795 is an apocalyptic number.

42738795 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42738795 is a deficient number, since it is larger than the sum of its proper divisors (38077317).

42738795 is a wasteful number, since it uses less digits than its factorization.

42738795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86363 (or 86360 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 42738795 is about 6537.4914913903. The cubic root of 42738795 is about 349.6289809883.

It can be divided in two parts, 42 and 738795, that added together give a palindrome (738837).

The spelling of 42738795 in words is "forty-two million, seven hundred thirty-eight thousand, seven hundred ninety-five".

Divisors: 1 3 5 9 11 15 33 45 55 99 165 495 86341 259023 431705 777069 949751 1295115 2849253 3885345 4748755 8547759 14246265 42738795