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30146744 = 2323163841
BaseRepresentation
bin111001100000…
…0000010111000
32002201121120002
41303000002320
530204143434
62554052132
7514146245
oct163000270
962647502
1030146744
1116020771
12a11a048
136326a14
14400a5cc
1529a757e
hex1cc00b8

30146744 has 16 divisors (see below), whose sum is σ = 58983120. Its totient is φ = 14417920.

The previous prime is 30146731. The next prime is 30146773. The reversal of 30146744 is 44764103.

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, 81737 + ... + 82104.

It is an arithmetic number, because the mean of its divisors is an integer number (3686445).

Almost surely, 230146744 is an apocalyptic number.

It is an amenable number.

30146744 is a deficient number, since it is larger than the sum of its proper divisors (28836376).

30146744 is a wasteful number, since it uses less digits than its factorization.

30146744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163870 (or 163866 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 30146744 is about 5490.6050668392. The cubic root of 30146744 is about 311.2290575846.

The spelling of 30146744 in words is "thirty million, one hundred forty-six thousand, seven hundred forty-four".

Divisors: 1 2 4 8 23 46 92 184 163841 327682 655364 1310728 3768343 7536686 15073372 30146744