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38922340 = 2251946117
BaseRepresentation
bin1001010001111…
…0100001100100
32201020110102011
42110132201210
534431003330
63510124004
7651556132
oct224364144
981213364
1038922340
111aa74a26
1211050604
1380aa192
145252752
15363c82a
hex251e864

38922340 has 12 divisors (see below), whose sum is σ = 81736956. Its totient is φ = 15568928.

The previous prime is 38922337. The next prime is 38922343. The reversal of 38922340 is 4322983.

It is an interprime number because it is at equal distance from previous prime (38922337) and next prime (38922343).

It can be written as a sum of positive squares in 2 ways, for example, as 28643904 + 10278436 = 5352^2 + 3206^2 .

It is not an unprimeable number, because it can be changed into a prime (38922343) 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, 973039 + ... + 973078.

It is an arithmetic number, because the mean of its divisors is an integer number (6811413).

Almost surely, 238922340 is an apocalyptic number.

It is an amenable number.

38922340 is an abundant number, since it is smaller than the sum of its proper divisors (42814616).

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

38922340 is a wasteful number, since it uses less digits than its factorization.

38922340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946126 (or 1946124 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 38922340 is about 6238.7771237639. Note that the first 3 decimals coincide. The cubic root of 38922340 is about 338.8958994439.

The spelling of 38922340 in words is "thirty-eight million, nine hundred twenty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1946117 3892234 7784468 9730585 19461170 38922340