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30269256 = 2333789383
BaseRepresentation
bin111001101110…
…1111101001000
32002221211121120
41303131331020
530222104011
63000435240
7515166363
oct163357510
962854546
1030269256
11160a4816
12a178b20
13636a704
14403d0da
1529cda06
hex1cddf48

30269256 has 64 divisors (see below), whose sum is σ = 78796800. Its totient is φ = 9681408.

The previous prime is 30269249. The next prime is 30269287. The reversal of 30269256 is 65296203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78841 + ... + 79223.

It is an arithmetic number, because the mean of its divisors is an integer number (1231200).

Almost surely, 230269256 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 30269256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39398400).

30269256 is an abundant number, since it is smaller than the sum of its proper divisors (48527544).

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

30269256 is a wasteful number, since it uses less digits than its factorization.

30269256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 30269256 is about 5501.7502669605. The cubic root of 30269256 is about 311.6500843679.

The spelling of 30269256 in words is "thirty million, two hundred sixty-nine thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 24 37 74 89 111 148 178 222 267 296 356 383 444 534 712 766 888 1068 1149 1532 2136 2298 3064 3293 4596 6586 9192 9879 13172 14171 19758 26344 28342 34087 39516 42513 56684 68174 79032 85026 102261 113368 136348 170052 204522 272696 340104 409044 818088 1261219 2522438 3783657 5044876 7567314 10089752 15134628 30269256