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30953734 = 2713811601
BaseRepresentation
bin111011000010…
…1000100000110
32011020121112121
41312011010012
530411004414
63023240154
7524050060
oct166050406
964217477
1030953734
1116521aa9
12a44905a
13654a126
14417a730
152ab6724
hex1d85106

30953734 has 16 divisors (see below), whose sum is σ = 53135136. Its totient is φ = 13248000.

The previous prime is 30953731. The next prime is 30953737. The reversal of 30953734 is 43735903.

It is an interprime number because it is at equal distance from previous prime (30953731) and next prime (30953737).

It is a self number, because there is not a number n which added to its sum of digits gives 30953734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30953731) 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, 18534 + ... + 20134.

It is an arithmetic number, because the mean of its divisors is an integer number (3320946).

Almost surely, 230953734 is an apocalyptic number.

30953734 is a deficient number, since it is larger than the sum of its proper divisors (22181402).

30953734 is a wasteful number, since it uses less digits than its factorization.

30953734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 30953734 is about 5563.6080020073. The cubic root of 30953734 is about 313.9817088078.

The spelling of 30953734 in words is "thirty million, nine hundred fifty-three thousand, seven hundred thirty-four".

Divisors: 1 2 7 14 1381 1601 2762 3202 9667 11207 19334 22414 2210981 4421962 15476867 30953734