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30040744 = 2337101489
BaseRepresentation
bin111001010011…
…0001010101000
32002112020011011
41302212022220
530142300434
62551513304
7513225226
oct162461250
962466134
1030040744
1115a59068
12a088834
1362ba6b6
143dbdb16
152985e64
hex1ca62a8

30040744 has 16 divisors (see below), whose sum is σ = 57849300. Its totient is φ = 14614272.

The previous prime is 30040721. The next prime is 30040757. The reversal of 30040744 is 44704003.

It can be written as a sum of positive squares in 2 ways, for example, as 26936100 + 3104644 = 5190^2 + 1762^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50449 + ... + 51040.

Almost surely, 230040744 is an apocalyptic number.

It is an amenable number.

30040744 is a deficient number, since it is larger than the sum of its proper divisors (27808556).

30040744 is a wasteful number, since it uses less digits than its factorization.

30040744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101532 (or 101528 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 30040744 is about 5480.9437143616. The cubic root of 30040744 is about 310.8638548295.

Adding to 30040744 its reverse (44704003), we get a palindrome (74744747).

The spelling of 30040744 in words is "thirty million, forty thousand, seven hundred forty-four".

Divisors: 1 2 4 8 37 74 148 296 101489 202978 405956 811912 3755093 7510186 15020372 30040744