Search a number
-
+
30088170 = 23257163293
BaseRepresentation
bin111001011000…
…1101111101010
32002121122012200
41302301233222
530200310140
62552521030
7513513420
oct162615752
962548180
1030088170
1115a90762
12a0b0176
136306168
143dd3110
152995030
hex1cb1bea

30088170 has 96 divisors (see below), whose sum is σ = 90260352. Its totient is φ = 6811776.

The previous prime is 30088133. The next prime is 30088183. The reversal of 30088170 is 7188003.

It is a Curzon 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, 102544 + ... + 102836.

It is an arithmetic number, because the mean of its divisors is an integer number (940212).

Almost surely, 230088170 is an apocalyptic number.

30088170 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 30088170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45130176).

30088170 is an abundant number, since it is smaller than the sum of its proper divisors (60172182).

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

30088170 is a wasteful number, since it uses less digits than its factorization.

30088170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 30088170 is about 5485.2684528654. The cubic root of 30088170 is about 311.0273580769.

The spelling of 30088170 in words is "thirty million, eighty-eight thousand, one hundred seventy".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 163 210 293 315 326 489 586 630 815 879 978 1141 1465 1467 1630 1758 2051 2282 2445 2637 2930 2934 3423 4102 4395 4890 5274 5705 6153 6846 7335 8790 10255 10269 11410 12306 13185 14670 17115 18459 20510 20538 26370 30765 34230 36918 47759 51345 61530 92295 95518 102690 143277 184590 238795 286554 334313 429831 477590 668626 716385 859662 1002939 1432770 1671565 2005878 2149155 3008817 3343130 4298310 5014695 6017634 10029390 15044085 30088170