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30717244 = 2214951539
BaseRepresentation
bin111010100101…
…1010100111100
32010210121010201
41311023110330
530330422434
63014213244
7522043435
oct165132474
963717121
1030717244
1116380358
12a354224
1364965ac
14411848c
152a6b614
hex1d4b53c

30717244 has 12 divisors (see below), whose sum is σ = 54117000. Its totient is φ = 15255248.

The previous prime is 30717233. The next prime is 30717251. The reversal of 30717244 is 44271703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25174 + ... + 26365.

It is an arithmetic number, because the mean of its divisors is an integer number (4509750).

Almost surely, 230717244 is an apocalyptic number.

It is an amenable number.

30717244 is a deficient number, since it is larger than the sum of its proper divisors (23399756).

30717244 is a wasteful number, since it uses less digits than its factorization.

30717244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51692 (or 51690 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 30717244 is about 5542.3139571843. The cubic root of 30717244 is about 313.1800452363.

Adding to 30717244 its reverse (44271703), we get a palindrome (74988947).

The spelling of 30717244 in words is "thirty million, seven hundred seventeen thousand, two hundred forty-four".

Divisors: 1 2 4 149 298 596 51539 103078 206156 7679311 15358622 30717244