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30713310 = 2335195987
BaseRepresentation
bin111010100101…
…0010111011110
32010210101202000
41311022113132
530330311220
63014143130
7522026115
oct165122736
963711660
1030713310
1116378401
12a351aa6
136494874
144116c7c
152a6a390
hex1d4a5de

30713310 has 64 divisors (see below), whose sum is σ = 86227200. Its totient is φ = 7757856.

The previous prime is 30713297. The next prime is 30713359. The reversal of 30713310 is 1331703.

It is a super-2 number, since 2×307133102 = 1886614822312200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2137 + ... + 8123.

It is an arithmetic number, because the mean of its divisors is an integer number (1347300).

Almost surely, 230713310 is an apocalyptic number.

30713310 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30713310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43113600).

30713310 is an abundant number, since it is smaller than the sum of its proper divisors (55513890).

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

30713310 is a wasteful number, since it uses less digits than its factorization.

30713310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022 (or 6016 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 18.

The square root of 30713310 is about 5541.9590399064. The cubic root of 30713310 is about 313.1666748647.

The spelling of 30713310 in words is "thirty million, seven hundred thirteen thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 19 27 30 38 45 54 57 90 95 114 135 171 190 270 285 342 513 570 855 1026 1710 2565 5130 5987 11974 17961 29935 35922 53883 59870 89805 107766 113753 161649 179610 227506 269415 323298 341259 538830 568765 682518 808245 1023777 1137530 1616490 1706295 2047554 3071331 3412590 5118885 6142662 10237770 15356655 30713310