Search a number
-
+
30747332 = 2271199829
BaseRepresentation
bin111010101001…
…0101011000100
32010212010102002
41311102223010
530332403312
63015004432
7522230240
oct165225304
963763362
1030747332
11163a0a20
12a369718
1364a71b5
144125420
152a754c2
hex1d52ac4

30747332 has 24 divisors (see below), whose sum is σ = 67085760. Its totient is φ = 11979360.

The previous prime is 30747307. The next prime is 30747383. The reversal of 30747332 is 23374703.

It is a junction number, because it is equal to n+sod(n) for n = 30747295 and 30747304.

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, 49607 + ... + 50222.

It is an arithmetic number, because the mean of its divisors is an integer number (2795240).

Almost surely, 230747332 is an apocalyptic number.

It is an amenable number.

30747332 is an abundant number, since it is smaller than the sum of its proper divisors (36338428).

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

30747332 is a wasteful number, since it uses less digits than its factorization.

30747332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99851 (or 99849 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 29.

The square root of 30747332 is about 5545.0276825278. The cubic root of 30747332 is about 313.2822667142.

The spelling of 30747332 in words is "thirty million, seven hundred forty-seven thousand, three hundred thirty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 99829 199658 399316 698803 1098119 1397606 2196238 2795212 4392476 7686833 15373666 30747332