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30023016 = 2335323603
BaseRepresentation
bin111001010000…
…1110101101000
32002111022211120
41302201311220
530141214031
62551255240
7513122442
oct162416550
962438746
1030023016
1115a46811
12a07a520
1362b25ca
143db7492
152980a96
hex1ca1d68

30023016 has 32 divisors (see below), whose sum is σ = 76476960. Its totient is φ = 9818432.

The previous prime is 30022999. The next prime is 30023017. The reversal of 30023016 is 61032003.

It is a junction number, because it is equal to n+sod(n) for n = 30022986 and 30023004.

It is not an unprimeable number, because it can be changed into a prime (30023017) 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, 10530 + ... + 13073.

It is an arithmetic number, because the mean of its divisors is an integer number (2389905).

Almost surely, 230023016 is an apocalyptic number.

It is an amenable number.

30023016 is an abundant number, since it is smaller than the sum of its proper divisors (46453944).

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

30023016 is a wasteful number, since it uses less digits than its factorization.

30023016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23665 (or 23661 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 30023016 is about 5479.3262359527. The cubic root of 30023016 is about 310.8026925755.

Adding to 30023016 its reverse (61032003), we get a palindrome (91055019).

The spelling of 30023016 in words is "thirty million, twenty-three thousand, sixteen".

Divisors: 1 2 3 4 6 8 12 24 53 106 159 212 318 424 636 1272 23603 47206 70809 94412 141618 188824 283236 566472 1250959 2501918 3752877 5003836 7505754 10007672 15011508 30023016