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42758956 = 22101109971
BaseRepresentation
bin1010001100011…
…1001100101100
32222110101021001
42203013030230
541421241311
64124250044
71026305452
oct243071454
988411231
1042758956
1122155489
12123a0924
138b21576
1459709d2
153b494c1
hex28c732c

42758956 has 24 divisors (see below), whose sum is σ = 76340880. Its totient is φ = 20952000.

The previous prime is 42758953. The next prime is 42758959. The reversal of 42758956 is 65985724.

It is an interprime number because it is at equal distance from previous prime (42758953) and next prime (42758959).

It is not an unprimeable number, because it can be changed into a prime (42758953) 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, 43551 + ... + 44521.

It is an arithmetic number, because the mean of its divisors is an integer number (3180870).

Almost surely, 242758956 is an apocalyptic number.

It is an amenable number.

42758956 is a deficient number, since it is larger than the sum of its proper divisors (33581924).

42758956 is a wasteful number, since it uses less digits than its factorization.

42758956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1183 counting only the distinct ones).

The product of its digits is 604800, while the sum is 46.

The square root of 42758956 is about 6539.0332618821. The cubic root of 42758956 is about 349.6839487040.

It can be divided in two parts, 4275 and 8956, that added together give a palindrome (13231).

The spelling of 42758956 in words is "forty-two million, seven hundred fifty-eight thousand, nine hundred fifty-six".

Divisors: 1 2 4 101 109 202 218 404 436 971 1942 3884 11009 22018 44036 98071 105839 196142 211678 392284 423356 10689739 21379478 42758956