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30746496 = 2731129251
BaseRepresentation
bin111010101001…
…0011110000000
32010212002021010
41311102132000
530332341441
63015000520
7522224634
oct165223600
963762233
1030746496
11163a0330
12a369140
1364a69c1
144124dc4
152a75116
hex1d52780

30746496 has 128 divisors (see below), whose sum is σ = 92534400. Its totient is φ = 8960000.

The previous prime is 30746491. The next prime is 30746497. The reversal of 30746496 is 69464703.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30746491) by changing a digit.

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, 122371 + ... + 122621.

It is an arithmetic number, because the mean of its divisors is an integer number (722925).

Almost surely, 230746496 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 30746496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46267200).

30746496 is an abundant number, since it is smaller than the sum of its proper divisors (61787904).

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

30746496 is a wasteful number, since it uses less digits than its factorization.

30746496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 30746496 is about 5544.9522991636. The cubic root of 30746496 is about 313.2794273746.

The spelling of 30746496 in words is "thirty million, seven hundred forty-six thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 29 32 33 44 48 58 64 66 87 88 96 116 128 132 174 176 192 232 251 264 319 348 352 384 464 502 528 638 696 704 753 928 957 1004 1056 1276 1392 1408 1506 1856 1914 2008 2112 2552 2761 2784 3012 3712 3828 4016 4224 5104 5522 5568 6024 7279 7656 8032 8283 10208 11044 11136 12048 14558 15312 16064 16566 20416 21837 22088 24096 29116 30624 32128 33132 40832 43674 44176 48192 58232 61248 66264 80069 87348 88352 96384 116464 122496 132528 160138 174696 176704 232928 240207 265056 320276 349392 353408 465856 480414 530112 640552 698784 931712 960828 1060224 1281104 1397568 1921656 2562208 2795136 3843312 5124416 7686624 10248832 15373248 30746496