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38153428 = 2253179969
BaseRepresentation
bin1001000110001…
…0110011010100
32122210101122221
42101202303110
534231402203
63441432124
7642204325
oct221426324
978711587
1038153428
111a59a265
121093b644
137b9b1c1
1450d244c
153539abd
hex2462cd4

38153428 has 12 divisors (see below), whose sum is σ = 68028660. Its totient is φ = 18716672.

The previous prime is 38153359. The next prime is 38153441. The reversal of 38153428 is 82435183.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29789764 + 8363664 = 5458^2 + 2892^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38153393 and 38153402.

It is a congruent number.

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, 89773 + ... + 90196.

It is an arithmetic number, because the mean of its divisors is an integer number (5669055).

Almost surely, 238153428 is an apocalyptic number.

It is an amenable number.

38153428 is a deficient number, since it is larger than the sum of its proper divisors (29875232).

38153428 is a wasteful number, since it uses less digits than its factorization.

38153428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180026 (or 180024 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 38153428 is about 6176.8461207966. The cubic root of 38153428 is about 336.6494077789.

The spelling of 38153428 in words is "thirty-eight million, one hundred fifty-three thousand, four hundred twenty-eight".

Divisors: 1 2 4 53 106 212 179969 359938 719876 9538357 19076714 38153428