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34749730 = 257943987
BaseRepresentation
bin1000010010001…
…1110100100010
32102101110200001
42010203310202
532343442410
63240450214
7601240111
oct204436442
972343601
1034749730
1118684a94
12b77996a
137278b92
144887c78
1530b633a
hex2123d22

34749730 has 16 divisors (see below), whose sum is σ = 63342720. Its totient is φ = 13723632.

The previous prime is 34749721. The next prime is 34749731. The reversal of 34749730 is 3794743.

It is a self number, because there is not a number n which added to its sum of digits gives 34749730.

It is not an unprimeable number, because it can be changed into a prime (34749731) 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, 21204 + ... + 22783.

It is an arithmetic number, because the mean of its divisors is an integer number (3958920).

Almost surely, 234749730 is an apocalyptic number.

34749730 is a deficient number, since it is larger than the sum of its proper divisors (28592990).

34749730 is a wasteful number, since it uses less digits than its factorization.

34749730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44073.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 34749730 is about 5894.8901601302. The cubic root of 34749730 is about 326.3250988043.

The spelling of 34749730 in words is "thirty-four million, seven hundred forty-nine thousand, seven hundred thirty".

Divisors: 1 2 5 10 79 158 395 790 43987 87974 219935 439870 3474973 6949946 17374865 34749730