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42747230 = 2510933911
BaseRepresentation
bin1010001100010…
…0010101011110
32222102210011202
42203010111132
541420402410
64124115502
71026226331
oct243042536
988383152
1042747230
1122147699
1212395b92
138b19126
14596a618
153b45ca5
hex28c455e

42747230 has 16 divisors (see below), whose sum is σ = 77035104. Its totient is φ = 17078880.

The previous prime is 42747223. The next prime is 42747253. The reversal of 42747230 is 3274724.

It is a junction number, because it is equal to n+sod(n) for n = 42747193 and 42747202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8975 + ... + 12885.

It is an arithmetic number, because the mean of its divisors is an integer number (4814694).

Almost surely, 242747230 is an apocalyptic number.

42747230 is a deficient number, since it is larger than the sum of its proper divisors (34287874).

42747230 is a wasteful number, since it uses less digits than its factorization.

42747230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 42747230 is about 6538.1365846853. The cubic root of 42747230 is about 349.6519805953.

The spelling of 42747230 in words is "forty-two million, seven hundred forty-seven thousand, two hundred thirty".

Divisors: 1 2 5 10 1093 2186 3911 5465 7822 10930 19555 39110 4274723 8549446 21373615 42747230