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30425470 = 253782231
BaseRepresentation
bin111010000010…
…0000101111110
32010020202220021
41310010011332
530242103340
63004042354
7516416665
oct164040576
963222807
1030425470
11161a1119
12a2333ba
1363c384a
14407dddc
152a0ee4a
hex1d0417e

30425470 has 16 divisors (see below), whose sum is σ = 56246688. Its totient is φ = 11841120.

The previous prime is 30425453. The next prime is 30425509. The reversal of 30425470 is 7452403.

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, 40746 + ... + 41485.

It is an arithmetic number, because the mean of its divisors is an integer number (3515418).

Almost surely, 230425470 is an apocalyptic number.

30425470 is a deficient number, since it is larger than the sum of its proper divisors (25821218).

30425470 is a wasteful number, since it uses less digits than its factorization.

30425470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82275.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 30425470 is about 5515.9287522592. The cubic root of 30425470 is about 312.1852874323.

Adding to 30425470 its reverse (7452403), we get a palindrome (37877873).

The spelling of 30425470 in words is "thirty million, four hundred twenty-five thousand, four hundred seventy".

Divisors: 1 2 5 10 37 74 185 370 82231 164462 411155 822310 3042547 6085094 15212735 30425470