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30007344 = 2432921557
BaseRepresentation
bin111001001111…
…0000000110000
32002110112100010
41302132000300
530140213334
62551054520
7513025653
oct162360060
962415303
1030007344
1115a35a64
12a071440
1362a8433
143db189a
15297b0e9
hex1c9e030

30007344 has 40 divisors (see below), whose sum is σ = 80195760. Its totient is φ = 9657088.

The previous prime is 30007343. The next prime is 30007361. The reversal of 30007344 is 44370003.

It is a self number, because there is not a number n which added to its sum of digits gives 30007344.

It is not an unprimeable number, because it can be changed into a prime (30007343) 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, 9387 + ... + 12170.

It is an arithmetic number, because the mean of its divisors is an integer number (2004894).

Almost surely, 230007344 is an apocalyptic number.

It is an amenable number.

30007344 is an abundant number, since it is smaller than the sum of its proper divisors (50188416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30007344 is a wasteful number, since it uses less digits than its factorization.

30007344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21597 (or 21591 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 30007344 is about 5477.8959464378. The cubic root of 30007344 is about 310.7486035439.

Adding to 30007344 its reverse (44370003), we get a palindrome (74377347).

The spelling of 30007344 in words is "thirty million, seven thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 29 48 58 87 116 174 232 348 464 696 1392 21557 43114 64671 86228 129342 172456 258684 344912 517368 625153 1034736 1250306 1875459 2500612 3750918 5001224 7501836 10002448 15003672 30007344