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30714660 = 22335232473
BaseRepresentation
bin111010100101…
…0101100100100
32010210110121000
41311022230210
530330332120
63014153300
7522033054
oct165125444
963713530
1030714660
1116379419
12a352830
136495372
144117564
152a6a990
hex1d4ab24

30714660 has 96 divisors (see below), whose sum is σ = 99751680. Its totient is φ = 7831296.

The previous prime is 30714623. The next prime is 30714679. The reversal of 30714660 is 6641703.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 11184 + ... + 13656.

It is an arithmetic number, because the mean of its divisors is an integer number (1039080).

Almost surely, 230714660 is an apocalyptic number.

30714660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30714660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49875840).

30714660 is an abundant number, since it is smaller than the sum of its proper divisors (69037020).

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

30714660 is a wasteful number, since it uses less digits than its factorization.

30714660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514 (or 2506 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 30714660 is about 5542.0808366533. The cubic root of 30714660 is about 313.1712631992.

The spelling of 30714660 in words is "thirty million, seven hundred fourteen thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 23 27 30 36 45 46 54 60 69 90 92 108 115 135 138 180 207 230 270 276 345 414 460 540 621 690 828 1035 1242 1380 2070 2473 2484 3105 4140 4946 6210 7419 9892 12365 12420 14838 22257 24730 29676 37095 44514 49460 56879 66771 74190 89028 111285 113758 133542 148380 170637 222570 227516 267084 284395 333855 341274 445140 511911 568790 667710 682548 853185 1023822 1137580 1335420 1535733 1706370 2047644 2559555 3071466 3412740 5119110 6142932 7678665 10238220 15357330 30714660