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30101130 = 23251929607
BaseRepresentation
bin111001011010…
…0111010001010
32002122021222200
41302310322022
530201214010
62553101030
7513566253
oct162647212
962567880
1030101130
1115a9a474
12a0b7776
13630c027
143dd7b2a
152998cc0
hex1cb4e8a

30101130 has 96 divisors (see below), whose sum is σ = 85363200. Its totient is φ = 7330176.

The previous prime is 30101107. The next prime is 30101147. The reversal of 30101130 is 3110103.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 49287 + ... + 49893.

It is an arithmetic number, because the mean of its divisors is an integer number (889200).

Almost surely, 230101130 is an apocalyptic number.

30101130 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 30101130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42681600).

30101130 is an abundant number, since it is smaller than the sum of its proper divisors (55262070).

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

30101130 is a wasteful number, since it uses less digits than its factorization.

30101130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 30101130 is about 5486.4496716912. The cubic root of 30101130 is about 311.0720083602.

Adding to 30101130 its reverse (3110103), we get a palindrome (33211233).

The spelling of 30101130 in words is "thirty million, one hundred one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 19 29 30 38 45 57 58 87 90 95 114 145 171 174 190 261 285 290 342 435 522 551 570 607 855 870 1102 1214 1305 1653 1710 1821 2610 2755 3035 3306 3642 4959 5463 5510 6070 8265 9105 9918 10926 11533 16530 17603 18210 23066 24795 27315 34599 35206 49590 52809 54630 57665 69198 88015 103797 105618 115330 158427 172995 176030 207594 264045 316854 334457 345990 518985 528090 668914 792135 1003371 1037970 1584270 1672285 2006742 3010113 3344570 5016855 6020226 10033710 15050565 30101130