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30293792 = 25946681
BaseRepresentation
bin111001110001…
…1111100100000
32010000002021022
41303203330200
530223400132
63001145012
7515331044
oct163437440
963002238
1030293792
11161111a1
12a18b168
136378929
144048024
1529d5e12
hex1ce3f20

30293792 has 12 divisors (see below), whose sum is σ = 59640966. Its totient is φ = 15146880.

The previous prime is 30293743. The next prime is 30293819. The reversal of 30293792 is 29739203.

It can be written as a sum of positive squares in only one way, i.e., 28344976 + 1948816 = 5324^2 + 1396^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473309 + ... + 473372.

Almost surely, 230293792 is an apocalyptic number.

30293792 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30293792 is a deficient number, since it is larger than the sum of its proper divisors (29347174).

30293792 is an equidigital number, since it uses as much as digits as its factorization.

30293792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946691 (or 946683 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 30293792 is about 5503.9796511252. The cubic root of 30293792 is about 311.7342685898.

The spelling of 30293792 in words is "thirty million, two hundred ninety-three thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 32 946681 1893362 3786724 7573448 15146896 30293792