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30746148 = 22329531667
BaseRepresentation
bin111010101001…
…0011000100100
32010212001210020
41311102120210
530332334043
63014555140
7522223626
oct165223044
963761706
1030746148
11163a0044
12a368ab0
1364a67b4
144124c16
152a74e83
hex1d52624

30746148 has 48 divisors (see below), whose sum is σ = 75660480. Its totient is φ = 9702784.

The previous prime is 30746137. The next prime is 30746153. The reversal of 30746148 is 84164703.

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 15 ways as a sum of consecutive naturals, for example, 17611 + ... + 19277.

It is an arithmetic number, because the mean of its divisors is an integer number (1576260).

Almost surely, 230746148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30746148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37830240).

30746148 is an abundant number, since it is smaller than the sum of its proper divisors (44914332).

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

30746148 is a wasteful number, since it uses less digits than its factorization.

30746148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756 (or 1754 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 30746148 is about 5544.9209191836. The cubic root of 30746148 is about 313.2782454334.

The spelling of 30746148 in words is "thirty million, seven hundred forty-six thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 29 53 58 87 106 116 159 174 212 318 348 636 1537 1667 3074 3334 4611 5001 6148 6668 9222 10002 18444 20004 48343 88351 96686 145029 176702 193372 265053 290058 353404 530106 580116 1060212 2562179 5124358 7686537 10248716 15373074 30746148