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30746372 = 227686593
BaseRepresentation
bin111010101001…
…0011100000100
32010212002002112
41311102130010
530332340442
63015000152
7522224366
oct165223404
963762075
1030746372
11163a0228
12a369058
1364a6927
144124d36
152a75082
hex1d52704

30746372 has 6 divisors (see below), whose sum is σ = 53806158. Its totient is φ = 15373184.

The previous prime is 30746369. The next prime is 30746399. The reversal of 30746372 is 27364703.

It can be written as a sum of positive squares in only one way, i.e., 30316036 + 430336 = 5506^2 + 656^2 .

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 as a sum of consecutive naturals, namely, 3843293 + ... + 3843300.

It is an arithmetic number, because the mean of its divisors is an integer number (8967693).

Almost surely, 230746372 is an apocalyptic number.

It is an amenable number.

30746372 is a deficient number, since it is larger than the sum of its proper divisors (23059786).

30746372 is a wasteful number, since it uses less digits than its factorization.

30746372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7686597 (or 7686595 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 30746372 is about 5544.9411178118. The cubic root of 30746372 is about 313.2790062241.

The spelling of 30746372 in words is "thirty million, seven hundred forty-six thousand, three hundred seventy-two".

Divisors: 1 2 4 7686593 15373186 30746372