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30023764 = 227505941
BaseRepresentation
bin111001010001…
…0000001010100
32002111100212021
41302202001110
530141230024
62551302524
7513124561
oct162420124
962440767
1030023764
1115a47331
12a07aa44
1362b2a54
143db7868
152980de4
hex1ca2054

30023764 has 6 divisors (see below), whose sum is σ = 52541594. Its totient is φ = 15011880.

The previous prime is 30023711. The next prime is 30023797. The reversal of 30023764 is 46732003.

It can be written as a sum of positive squares in only one way, i.e., 22014864 + 8008900 = 4692^2 + 2830^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3752967 + ... + 3752974.

Almost surely, 230023764 is an apocalyptic number.

It is an amenable number.

30023764 is a deficient number, since it is larger than the sum of its proper divisors (22517830).

30023764 is a wasteful number, since it uses less digits than its factorization.

30023764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505945 (or 7505943 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 30023764 is about 5479.3944920949. The cubic root of 30023764 is about 310.8052736895.

Adding to 30023764 its reverse (46732003), we get a palindrome (76755767).

The spelling of 30023764 in words is "thirty million, twenty-three thousand, seven hundred sixty-four".

Divisors: 1 2 4 7505941 15011882 30023764