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30407480 = 235760187
BaseRepresentation
bin111001111111…
…1101100111000
32010012212012222
41303333230320
530241014410
63003423212
7516313355
oct163775470
963185188
1030407480
1116189654
12a224b08
1363b85bc
14407762c
152a09955
hex1cffb38

30407480 has 16 divisors (see below), whose sum is σ = 68416920. Its totient is φ = 12162976.

The previous prime is 30407477. The next prime is 30407513. The reversal of 30407480 is 8470403.

It is a super-2 number, since 2×304074802 = 1849229679900800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380054 + ... + 380133.

Almost surely, 230407480 is an apocalyptic number.

It is an amenable number.

30407480 is an abundant number, since it is smaller than the sum of its proper divisors (38009440).

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

30407480 is a wasteful number, since it uses less digits than its factorization.

30407480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760198 (or 760194 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 30407480 is about 5514.2977794095. The cubic root of 30407480 is about 312.1237455661.

Adding to 30407480 its reverse (8470403), we get a palindrome (38877883).

The spelling of 30407480 in words is "thirty million, four hundred seven thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 760187 1520374 3040748 3800935 6081496 7601870 15203740 30407480