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30011004 = 22324717737
BaseRepresentation
bin111001001111…
…0111001111100
32002110201100200
41302132321330
530140323004
62551123500
7513042432
oct162367174
962421320
1030011004
1115a38791
12a073590
1362a9cba
143db2d52
15297c239
hex1c9ee7c

30011004 has 36 divisors (see below), whose sum is σ = 77479584. Its totient is φ = 9790272.

The previous prime is 30010997. The next prime is 30011029. The reversal of 30011004 is 40011003.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×300110042 = 1801320722176032, which contains 22 as substring.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7177 + ... + 10560.

Almost surely, 230011004 is an apocalyptic number.

It is an amenable number.

30011004 is an abundant number, since it is smaller than the sum of its proper divisors (47468580).

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

30011004 is a wasteful number, since it uses less digits than its factorization.

30011004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17794 (or 17789 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 30011004 is about 5478.2300061242. The cubic root of 30011004 is about 310.7612370474.

Adding to 30011004 its reverse (40011003), we get a palindrome (70022007).

Subtracting 30011004 from its reverse (40011003), we obtain a palindrome (9999999).

It can be divided in two parts, 3001 and 1004, that added together give a triangular number (4005 = T89).

The spelling of 30011004 in words is "thirty million, eleven thousand, four".

Divisors: 1 2 3 4 6 9 12 18 36 47 94 141 188 282 423 564 846 1692 17737 35474 53211 70948 106422 159633 212844 319266 638532 833639 1667278 2500917 3334556 5001834 7502751 10003668 15005502 30011004