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38820748 = 2219734919
BaseRepresentation
bin1001010000010…
…1101110001100
32201001022001111
42110011232030
534414230443
63504021404
7650654011
oct224055614
981038044
1038820748
111aa0566a
1211001864
138072b75
145227708
15361c69d
hex2505b8c

38820748 has 12 divisors (see below), whose sum is σ = 67984560. Its totient is φ = 19396592.

The previous prime is 38820739. The next prime is 38820797. The reversal of 38820748 is 84702883.

It is a self number, because there is not a number n which added to its sum of digits gives 38820748.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5433 + ... + 10351.

It is an arithmetic number, because the mean of its divisors is an integer number (5665380).

Almost surely, 238820748 is an apocalyptic number.

It is an amenable number.

38820748 is a deficient number, since it is larger than the sum of its proper divisors (29163812).

38820748 is a wasteful number, since it uses less digits than its factorization.

38820748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6896 (or 6894 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 38820748 is about 6230.6298237016. The cubic root of 38820748 is about 338.6007894853.

The spelling of 38820748 in words is "thirty-eight million, eight hundred twenty thousand, seven hundred forty-eight".

Divisors: 1 2 4 1973 3946 4919 7892 9838 19676 9705187 19410374 38820748