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30424625 = 5371129109
BaseRepresentation
bin111010000001…
…1111000110001
32010020201201222
41310003320301
530242042000
63004034425
7516414350
oct164037061
963221658
1030424625
11161a0520
12a232a15
1363c334a
14407d997
152a0ea85
hex1d03e31

30424625 has 64 divisors (see below), whose sum is σ = 49420800. Its totient is φ = 18144000.

The previous prime is 30424601. The next prime is 30424627. The reversal of 30424625 is 52642403.

It is not a de Polignac number, because 30424625 - 212 = 30420529 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30424594 and 30424603.

It is not an unprimeable number, because it can be changed into a prime (30424627) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 279071 + ... + 279179.

It is an arithmetic number, because the mean of its divisors is an integer number (772200).

Almost surely, 230424625 is an apocalyptic number.

30424625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30424625 is a deficient number, since it is larger than the sum of its proper divisors (18996175).

30424625 is a wasteful number, since it uses less digits than its factorization.

30424625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 30424625 is about 5515.8521553791. The cubic root of 30424625 is about 312.1823973207.

It can be divided in two parts, 3042 and 4625, that added together give a palindrome (7667).

The spelling of 30424625 in words is "thirty million, four hundred twenty-four thousand, six hundred twenty-five".

Divisors: 1 5 7 11 25 29 35 55 77 109 125 145 175 203 275 319 385 545 725 763 875 1015 1199 1375 1595 1925 2233 2725 3161 3625 3815 5075 5995 7975 8393 9625 11165 13625 15805 19075 22127 25375 29975 34771 39875 41965 55825 79025 95375 110635 149875 173855 209825 243397 279125 395125 553175 869275 1049125 1216985 2765875 4346375 6084925 30424625