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30000100 = 22521347491
BaseRepresentation
bin111001001110…
…0001111100100
32002110011101211
41302130033210
530140000400
62551001204
7512665564
oct162341744
962404354
1030000100
1115a30579
12a069204
1362a5050
143dacda4
152978dba
hex1c9c3e4

30000100 has 72 divisors (see below), whose sum is σ = 71745408. Its totient is φ = 10819200.

The previous prime is 30000083. The next prime is 30000109. The reversal of 30000100 is 100003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a self number, because there is not a number n which added to its sum of digits gives 30000100.

It is not an unprimeable number, because it can be changed into a prime (30000109) 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 23 ways as a sum of consecutive naturals, for example, 60855 + ... + 61345.

It is an arithmetic number, because the mean of its divisors is an integer number (996464).

Almost surely, 230000100 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 30000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35872704).

30000100 is an abundant number, since it is smaller than the sum of its proper divisors (41745308).

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

30000100 is a wasteful number, since it uses less digits than its factorization.

30000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 4.

The square root of 30000100 is about 5477.2347037533. The cubic root of 30000100 is about 310.7235958431.

Adding to 30000100 its reverse (100003), we get a palindrome (30100103).

The spelling of 30000100 in words is "thirty million, one hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 13 20 25 26 47 50 52 65 94 100 130 188 235 260 325 470 491 611 650 940 982 1175 1222 1300 1964 2350 2444 2455 3055 4700 4910 6110 6383 9820 12220 12275 12766 15275 23077 24550 25532 30550 31915 46154 49100 61100 63830 92308 115385 127660 159575 230770 300001 319150 461540 576925 600002 638300 1153850 1200004 1500005 2307700 3000010 6000020 7500025 15000050 30000100