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30425120 = 2551159293
BaseRepresentation
bin111010000010…
…0000000100000
32010020202102022
41310010000200
530242100440
63004041012
7516415655
oct164040040
963222368
1030425120
11161a0930
12a233168
1363c363b
14407dc2c
152a0ecb5
hex1d04020

30425120 has 96 divisors (see below), whose sum is σ = 80015040. Its totient is φ = 10839040.

The previous prime is 30425111. The next prime is 30425149. The reversal of 30425120 is 2152403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103694 + ... + 103986.

It is an arithmetic number, because the mean of its divisors is an integer number (833490).

Almost surely, 230425120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30425120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40007520).

30425120 is an abundant number, since it is smaller than the sum of its proper divisors (49589920).

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

30425120 is a wasteful number, since it uses less digits than its factorization.

30425120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 30425120 is about 5515.8970258699. The cubic root of 30425120 is about 312.1840903511.

Adding to 30425120 its reverse (2152403), we get a palindrome (32577523).

The spelling of 30425120 in words is "thirty million, four hundred twenty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 59 80 88 110 118 160 176 220 236 293 295 352 440 472 586 590 649 880 944 1172 1180 1298 1465 1760 1888 2344 2360 2596 2930 3223 3245 4688 4720 5192 5860 6446 6490 9376 9440 10384 11720 12892 12980 16115 17287 20768 23440 25784 25960 32230 34574 46880 51568 51920 64460 69148 86435 103136 103840 128920 138296 172870 190157 257840 276592 345740 380314 515680 553184 691480 760628 950785 1382960 1521256 1901570 2765920 3042512 3803140 6085024 7606280 15212560 30425120