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30473542 = 2111937177
BaseRepresentation
bin111010000111…
…1110101000110
32010100012211201
41310033311012
530300123132
63005053114
7520010101
oct164176506
963305751
1030473542
1116224250
12a25719a
13640c6a8
144093738
152a1e2e7
hex1d0fd46

30473542 has 16 divisors (see below), whose sum is σ = 50131152. Its totient is φ = 13777920.

The previous prime is 30473507. The next prime is 30473557. The reversal of 30473542 is 24537403.

It is a self number, because there is not a number n which added to its sum of digits gives 30473542.

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, 658 + ... + 7834.

It is an arithmetic number, because the mean of its divisors is an integer number (3133197).

Almost surely, 230473542 is an apocalyptic number.

30473542 is a deficient number, since it is larger than the sum of its proper divisors (19657610).

30473542 is a wasteful number, since it uses less digits than its factorization.

30473542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7383.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 30473542 is about 5520.2845941129. The cubic root of 30473542 is about 312.3496176708.

The spelling of 30473542 in words is "thirty million, four hundred seventy-three thousand, five hundred forty-two".

Divisors: 1 2 11 22 193 386 2123 4246 7177 14354 78947 157894 1385161 2770322 15236771 30473542