Search a number
-
+
30153120 = 253562819
BaseRepresentation
bin111001100000…
…1100110100000
32002201221022020
41303001212200
530204344440
62554141440
7514203654
oct163014640
962657266
1030153120
1116025538
12a121880
1363298aa
14400ca64
1529a93d0
hex1cc19a0

30153120 has 48 divisors (see below), whose sum is σ = 94983840. Its totient is φ = 8040704.

The previous prime is 30153119. The next prime is 30153139. The reversal of 30153120 is 2135103.

It is a happy number.

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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30153120.

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, 30930 + ... + 31889.

It is an arithmetic number, because the mean of its divisors is an integer number (1978830).

Almost surely, 230153120 is an apocalyptic number.

30153120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30153120 is an abundant number, since it is smaller than the sum of its proper divisors (64830720).

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

30153120 is a wasteful number, since it uses less digits than its factorization.

30153120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62837 (or 62829 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 30153120 is about 5491.1856643170. The cubic root of 30153120 is about 311.2509975614.

Adding to 30153120 its reverse (2135103), we get a palindrome (32288223).

The spelling of 30153120 in words is "thirty million, one hundred fifty-three thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 62819 125638 188457 251276 314095 376914 502552 628190 753828 942285 1005104 1256380 1507656 1884570 2010208 2512760 3015312 3769140 5025520 6030624 7538280 10051040 15076560 30153120