Search a number
-
+
30369080 = 2357108461
BaseRepresentation
bin111001111011…
…0010100111000
32010010220112202
41303312110320
530233302310
63002525332
7516063410
oct163662470
963126482
1030369080
1116162815
12a206848
1363a3c91
144067640
1529ed3a5
hex1cf6538

30369080 has 32 divisors (see below), whose sum is σ = 78092640. Its totient is φ = 10412160.

The previous prime is 30369077. The next prime is 30369083. The reversal of 30369080 is 8096303.

It is an interprime number because it is at equal distance from previous prime (30369077) and next prime (30369083).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30369083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53951 + ... + 54510.

It is an arithmetic number, because the mean of its divisors is an integer number (2440395).

Almost surely, 230369080 is an apocalyptic number.

It is an amenable number.

30369080 is an abundant number, since it is smaller than the sum of its proper divisors (47723560).

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

30369080 is a wasteful number, since it uses less digits than its factorization.

30369080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108479 (or 108475 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 30369080 is about 5510.8148217845. The cubic root of 30369080 is about 311.9923020235.

The spelling of 30369080 in words is "thirty million, three hundred sixty-nine thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 108461 216922 433844 542305 759227 867688 1084610 1518454 2169220 3036908 3796135 4338440 6073816 7592270 15184540 30369080