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30088530 = 2335111439
BaseRepresentation
bin111001011000…
…1110101010010
32002121122201000
41302301311102
530200313110
62552522430
7513514443
oct162616522
962548630
1030088530
1115a90a5a
12a0b0416
136306384
143dd32ca
1529951c0
hex1cb1d52

30088530 has 32 divisors (see below), whose sum is σ = 80236800. Its totient is φ = 8023536.

The previous prime is 30088529. The next prime is 30088537. The reversal of 30088530 is 3588003.

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

It is a junction number, because it is equal to n+sod(n) for n = 30088494 and 30088503.

It is not an unprimeable number, because it can be changed into a prime (30088537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55450 + ... + 55989.

It is an arithmetic number, because the mean of its divisors is an integer number (2507400).

Almost surely, 230088530 is an apocalyptic number.

30088530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30088530 is an abundant number, since it is smaller than the sum of its proper divisors (50148270).

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

30088530 is a wasteful number, since it uses less digits than its factorization.

30088530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111455 (or 111449 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 30088530 is about 5485.3012679342. The cubic root of 30088530 is about 311.0285985356.

The spelling of 30088530 in words is "thirty million, eighty-eight thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 111439 222878 334317 557195 668634 1002951 1114390 1671585 2005902 3008853 3343170 5014755 6017706 10029510 15044265 30088530