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38994794 = 219497397
BaseRepresentation
bin1001010011000…
…0001101101010
32201101010210122
42110300031222
534440313134
63511443242
7652310306
oct224601552
981333718
1038994794
1120014403
1211086522
138104157
145270d06
15365402e
hex253036a

38994794 has 4 divisors (see below), whose sum is σ = 58492194. Its totient is φ = 19497396.

The previous prime is 38994793. The next prime is 38994797. The reversal of 38994794 is 49749983.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35844169 + 3150625 = 5987^2 + 1775^2 .

It is not an unprimeable number, because it can be changed into a prime (38994793) 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 as a sum of consecutive naturals, namely, 9748697 + ... + 9748700.

Almost surely, 238994794 is an apocalyptic number.

38994794 is a deficient number, since it is larger than the sum of its proper divisors (19497400).

38994794 is a wasteful number, since it uses less digits than its factorization.

38994794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19497399.

The product of its digits is 1959552, while the sum is 53.

The square root of 38994794 is about 6244.5811709033. The cubic root of 38994794 is about 339.1060541883.

The spelling of 38994794 in words is "thirty-eight million, nine hundred ninety-four thousand, seven hundred ninety-four".

Divisors: 1 2 19497397 38994794