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38146797 = 32135712
BaseRepresentation
bin1001000110000…
…1001011101101
32122210001120100
42101201023231
534231144142
63441341313
7642146103
oct221411355
978701510
1038146797
111a595287
1210937839
137b98190
1450cdc73
153537b4c
hex24612ed

38146797 has 18 divisors (see below), whose sum is σ = 59443566. Its totient is φ = 23433840.

The previous prime is 38146789. The next prime is 38146817. The reversal of 38146797 is 79764183.

It can be written as a sum of positive squares in only one way, i.e., 26409321 + 11737476 = 5139^2 + 3426^2 .

It is not a de Polignac number, because 38146797 - 23 = 38146789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38146597) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 66522 + ... + 67092.

Almost surely, 238146797 is an apocalyptic number.

It is an amenable number.

38146797 is a deficient number, since it is larger than the sum of its proper divisors (21296769).

38146797 is an equidigital number, since it uses as much as digits as its factorization.

38146797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161 (or 587 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 38146797 is about 6176.3093348698. The cubic root of 38146797 is about 336.6299036201.

The spelling of 38146797 in words is "thirty-eight million, one hundred forty-six thousand, seven hundred ninety-seven".

Divisors: 1 3 9 13 39 117 571 1713 5139 7423 22269 66807 326041 978123 2934369 4238533 12715599 38146797