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30290976 = 253335059
BaseRepresentation
bin111001110001…
…1010000100000
32002222221102000
41303203100200
530223302401
63001124000
7515316612
oct163432040
962887360
1030290976
111610a071
12a189600
136377571
144046db2
1529d5186
hex1ce3420

30290976 has 48 divisors (see below), whose sum is σ = 88351200. Its totient is φ = 10096704.

The previous prime is 30290969. The next prime is 30290989. The reversal of 30290976 is 67909203.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30290976.

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, 16666 + ... + 18393.

It is an arithmetic number, because the mean of its divisors is an integer number (1840650).

Almost surely, 230290976 is an apocalyptic number.

30290976 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30290976 is an abundant number, since it is smaller than the sum of its proper divisors (58060224).

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

30290976 is a wasteful number, since it uses less digits than its factorization.

30290976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35078 (or 35064 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 30290976 is about 5503.7238302807. The cubic root of 30290976 is about 311.7246090651.

The spelling of 30290976 in words is "thirty million, two hundred ninety thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 144 216 288 432 864 35059 70118 105177 140236 210354 280472 315531 420708 560944 631062 841416 946593 1121888 1262124 1682832 1893186 2524248 3365664 3786372 5048496 7572744 10096992 15145488 30290976