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30760730 = 25721113439
BaseRepresentation
bin111010101010…
…1111100011010
32010212210210022
41311111330122
530333320410
63015150442
7522314300
oct165257432
963783708
1030760730
11163aaaa0
12a375422
1364b0320
14412a270
152a79455
hex1d55f1a

30760730 has 96 divisors (see below), whose sum is σ = 75841920. Its totient is φ = 8830080.

The previous prime is 30760721. The next prime is 30760799. The reversal of 30760730 is 3706703.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 30760730.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69851 + ... + 70289.

It is an arithmetic number, because the mean of its divisors is an integer number (790020).

Almost surely, 230760730 is an apocalyptic number.

30760730 is an abundant number, since it is smaller than the sum of its proper divisors (45081190).

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

30760730 is a wasteful number, since it uses less digits than its factorization.

30760730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 26.

The square root of 30760730 is about 5546.2356603376. The cubic root of 30760730 is about 313.3277638465.

The spelling of 30760730 in words is "thirty million, seven hundred sixty thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 49 55 65 70 77 91 98 110 130 143 154 182 245 286 385 439 455 490 539 637 715 770 878 910 1001 1078 1274 1430 2002 2195 2695 3073 3185 4390 4829 5005 5390 5707 6146 6370 7007 9658 10010 11414 14014 15365 21511 24145 28535 30730 33803 35035 39949 43022 48290 57070 62777 67606 70070 79898 107555 125554 169015 199745 215110 236621 279643 313885 338030 399490 439439 473242 559286 627770 878878 1183105 1398215 2197195 2366210 2796430 3076073 4394390 6152146 15380365 30760730