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38078228 = 229519557
BaseRepresentation
bin1001000101000…
…0011100010100
32122122120111202
42101100130110
534222000403
63440052032
7641442146
oct221203424
978576452
1038078228
111a548811
1210904018
137b72bc6
1450b2c96
153522688
hex2450714

38078228 has 6 divisors (see below), whose sum is σ = 66636906. Its totient is φ = 19039112.

The previous prime is 38078219. The next prime is 38078231. The reversal of 38078228 is 82287083.

It can be written as a sum of positive squares in only one way, i.e., 35022724 + 3055504 = 5918^2 + 1748^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38078191 and 38078200.

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, 4759775 + ... + 4759782.

It is an arithmetic number, because the mean of its divisors is an integer number (11106151).

Almost surely, 238078228 is an apocalyptic number.

It is an amenable number.

38078228 is a deficient number, since it is larger than the sum of its proper divisors (28558678).

38078228 is a wasteful number, since it uses less digits than its factorization.

38078228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9519561 (or 9519559 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 38078228 is about 6170.7558694215. The cubic root of 38078228 is about 336.4280848417.

The spelling of 38078228 in words is "thirty-eight million, seventy-eight thousand, two hundred twenty-eight".

Divisors: 1 2 4 9519557 19039114 38078228