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38770948 = 2217570161
BaseRepresentation
bin1001001111100…
…1100100000100
32200221202202001
42103321210010
534411132243
63502555044
7650355556
oct223714404
980852661
1038770948
111a981207
1210b98a84
1380562b8
1452134d6
15360ca4d
hex24f9904

38770948 has 12 divisors (see below), whose sum is σ = 71840412. Its totient is φ = 18245120.

The previous prime is 38770943. The next prime is 38770969. The reversal of 38770948 is 84907783.

It can be written as a sum of positive squares in 2 ways, for example, as 16793604 + 21977344 = 4098^2 + 4688^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38770898 and 38770907.

It is not an unprimeable number, because it can be changed into a prime (38770943) by changing a digit.

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, 285013 + ... + 285148.

It is an arithmetic number, because the mean of its divisors is an integer number (5986701).

Almost surely, 238770948 is an apocalyptic number.

It is an amenable number.

38770948 is a deficient number, since it is larger than the sum of its proper divisors (33069464).

38770948 is a wasteful number, since it uses less digits than its factorization.

38770948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570182 (or 570180 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 38770948 is about 6226.6321555075. The cubic root of 38770948 is about 338.4559396669.

The spelling of 38770948 in words is "thirty-eight million, seven hundred seventy thousand, nine hundred forty-eight".

Divisors: 1 2 4 17 34 68 570161 1140322 2280644 9692737 19385474 38770948