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30484542 = 2311461887
BaseRepresentation
bin111010001001…
…0100000111110
32010100202221010
41310102200332
530301001132
63005220050
7520054134
oct164224076
963322833
1030484542
1116231540
12a261626
1364146ba
144097754
152a226cc
hex1d1283e

30484542 has 16 divisors (see below), whose sum is σ = 66511872. Its totient is φ = 9237720.

The previous prime is 30484541. The next prime is 30484561. The reversal of 30484542 is 24548403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30484541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230878 + ... + 231009.

It is an arithmetic number, because the mean of its divisors is an integer number (4156992).

Almost surely, 230484542 is an apocalyptic number.

30484542 is an abundant number, since it is smaller than the sum of its proper divisors (36027330).

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

30484542 is a wasteful number, since it uses less digits than its factorization.

30484542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461903.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 30484542 is about 5521.2808296626. The cubic root of 30484542 is about 312.3871959790.

The spelling of 30484542 in words is "thirty million, four hundred eighty-four thousand, five hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 461887 923774 1385661 2771322 5080757 10161514 15242271 30484542