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30082206 = 237111923149
BaseRepresentation
bin111001011000…
…0010010011110
32002121100000210
41302300102132
530200112311
62552433250
7513460140
oct162602236
962540023
1030082206
1115a87230
12a0a8826
13630352b
143dd0c90
1529933a6
hex1cb049e

30082206 has 128 divisors (see below), whose sum is σ = 82944000. Its totient is φ = 7032960.

The previous prime is 30082201. The next prime is 30082207. The reversal of 30082206 is 60228003.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30082201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 201820 + ... + 201968.

It is an arithmetic number, because the mean of its divisors is an integer number (648000).

Almost surely, 230082206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30082206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41472000).

30082206 is an abundant number, since it is smaller than the sum of its proper divisors (52861794).

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

30082206 is a wasteful number, since it uses less digits than its factorization.

30082206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 30082206 is about 5484.7247879907. The cubic root of 30082206 is about 311.0068063701.

The spelling of 30082206 in words is "thirty million, eighty-two thousand, two hundred six".

Divisors: 1 2 3 6 7 11 14 19 21 22 23 33 38 42 46 57 66 69 77 114 133 138 149 154 161 209 231 253 266 298 322 399 418 437 447 462 483 506 627 759 798 874 894 966 1043 1254 1311 1463 1518 1639 1771 2086 2622 2831 2926 3059 3129 3278 3427 3542 4389 4807 4917 5313 5662 6118 6258 6854 8493 8778 9177 9614 9834 10281 10626 11473 14421 16986 18354 19817 20562 22946 23989 28842 31141 33649 34419 37697 39634 47978 59451 62282 65113 67298 68838 71967 75394 93423 100947 113091 118902 130226 143934 186846 195339 201894 217987 226182 263879 390678 435974 455791 527758 653961 716243 791637 911582 1307922 1367373 1432486 1583274 2148729 2734746 4297458 5013701 10027402 15041103 30082206