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30489332 = 2237206009
BaseRepresentation
bin111010001001…
…1101011110100
32010101000111112
41310103223310
530301124312
63005254152
7520104116
oct164235364
963330445
1030489332
11162350a5
12a264358
136416933
1440993b6
152a23d22
hex1d13af4

30489332 has 12 divisors (see below), whose sum is σ = 54798660. Its totient is φ = 14832576.

The previous prime is 30489311. The next prime is 30489359. The reversal of 30489332 is 23398403.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18696976 + 11792356 = 4324^2 + 3434^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102857 + ... + 103152.

It is an arithmetic number, because the mean of its divisors is an integer number (4566555).

Almost surely, 230489332 is an apocalyptic number.

It is an amenable number.

30489332 is a deficient number, since it is larger than the sum of its proper divisors (24309328).

30489332 is a wasteful number, since it uses less digits than its factorization.

30489332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206050 (or 206048 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 30489332 is about 5521.7145887849. The cubic root of 30489332 is about 312.4035567989.

The spelling of 30489332 in words is "thirty million, four hundred eighty-nine thousand, three hundred thirty-two".

Divisors: 1 2 4 37 74 148 206009 412018 824036 7622333 15244666 30489332