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30045516 = 22314091777
BaseRepresentation
bin111001010011…
…1010101001100
32002112110200220
41302213111030
530142424031
62551551340
7513245154
oct162472514
962473626
1030045516
1115a61706
12a08b550
1362bc917
143dc1764
152987596
hex1ca754c

30045516 has 24 divisors (see below), whose sum is σ = 70195440. Its totient is φ = 10002432.

The previous prime is 30045503. The next prime is 30045529. The reversal of 30045516 is 61554003.

It is an interprime number because it is at equal distance from previous prime (30045503) and next prime (30045529).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16020 + ... + 17796.

It is an arithmetic number, because the mean of its divisors is an integer number (2924810).

Almost surely, 230045516 is an apocalyptic number.

It is an amenable number.

30045516 is an abundant number, since it is smaller than the sum of its proper divisors (40149924).

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

30045516 is a wasteful number, since it uses less digits than its factorization.

30045516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193 (or 3191 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 30045516 is about 5481.3790235670. The cubic root of 30045516 is about 310.8803142951.

Adding to 30045516 its reverse (61554003), we get a palindrome (91599519).

The spelling of 30045516 in words is "thirty million, forty-five thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 12 1409 1777 2818 3554 4227 5331 5636 7108 8454 10662 16908 21324 2503793 5007586 7511379 10015172 15022758 30045516