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38355972 = 22312772503
BaseRepresentation
bin1001001001010…
…0010000000100
32200011200111120
42102110100010
534304342342
63450033540
7644006664
oct222242004
980150446
1038355972
111a718456
1210a188b0
137c3c455
1451461a4
153579aec
hex2494404

38355972 has 24 divisors (see below), whose sum is σ = 89603136. Its totient is φ = 12770208.

The previous prime is 38355953. The next prime is 38355979. The reversal of 38355972 is 27955383.

It is not an unprimeable number, because it can be changed into a prime (38355979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14073 + ... + 16575.

It is an arithmetic number, because the mean of its divisors is an integer number (3733464).

Almost surely, 238355972 is an apocalyptic number.

It is an amenable number.

38355972 is an abundant number, since it is smaller than the sum of its proper divisors (51247164).

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

38355972 is a wasteful number, since it uses less digits than its factorization.

38355972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787 (or 3785 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 38355972 is about 6193.2198410843. The cubic root of 38355972 is about 337.2440770414.

The spelling of 38355972 in words is "thirty-eight million, three hundred fifty-five thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 1277 2503 2554 3831 5006 5108 7509 7662 10012 15018 15324 30036 3196331 6392662 9588993 12785324 19177986 38355972