Search a number
-
+
30082572 = 22321364279
BaseRepresentation
bin111001011000…
…0011000001100
32002121100112100
41302300120030
530200120242
62552435100
7513461202
oct162603014
962540470
1030082572
1115a87533
12a0a8a90
136303750
143dd1072
15299354c
hex1cb060c

30082572 has 36 divisors (see below), whose sum is σ = 81892720. Its totient is φ = 9256032.

The previous prime is 30082553. The next prime is 30082573. The reversal of 30082572 is 27528003.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×300825722 = 1809922276270368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30082573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31672 + ... + 32607.

Almost surely, 230082572 is an apocalyptic number.

It is an amenable number.

30082572 is an abundant number, since it is smaller than the sum of its proper divisors (51810148).

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

30082572 is a wasteful number, since it uses less digits than its factorization.

30082572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64302 (or 64297 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 30082572 is about 5484.7581532826. The cubic root of 30082572 is about 311.0080676698.

The spelling of 30082572 in words is "thirty million, eighty-two thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 64279 128558 192837 257116 385674 578511 771348 835627 1157022 1671254 2314044 2506881 3342508 5013762 7520643 10027524 15041286 30082572