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30404244 = 22313194899
BaseRepresentation
bin111001111111…
…0111010010100
32010012200210010
41303332322110
530240413434
63003400220
7516301053
oct163767224
963180703
1030404244
1116187182
12a223070
1363b6ca0
14407639a
152a089e9
hex1cfee94

30404244 has 24 divisors (see below), whose sum is σ = 76400800. Its totient is φ = 9355104.

The previous prime is 30404239. The next prime is 30404251. The reversal of 30404244 is 44240403.

It is a self number, because there is not a number n which added to its sum of digits gives 30404244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97294 + ... + 97605.

Almost surely, 230404244 is an apocalyptic number.

It is an amenable number.

30404244 is an abundant number, since it is smaller than the sum of its proper divisors (45996556).

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

30404244 is a wasteful number, since it uses less digits than its factorization.

30404244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194919 (or 194917 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 30404244 is about 5514.0043525554. The cubic root of 30404244 is about 312.1126729806.

Adding to 30404244 its reverse (44240403), we get a palindrome (74644647).

The spelling of 30404244 in words is "thirty million, four hundred four thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 194899 389798 584697 779596 1169394 2338788 2533687 5067374 7601061 10134748 15202122 30404244