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38977345 = 5111741687
BaseRepresentation
bin1001010010101…
…1111101000001
32201100020212101
42110223331001
534434233340
63511230401
7652205401
oct224537501
981306771
1038977345
1120002290
1211078401
1380c9224
145268801
15364dc9a
hex252bf41

38977345 has 16 divisors (see below), whose sum is σ = 54027648. Its totient is φ = 26679040.

The previous prime is 38977343. The next prime is 38977349. The reversal of 38977345 is 54377983.

It is a happy number.

38977345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38977345 - 21 = 38977343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38977295 and 38977304.

It is not an unprimeable number, because it can be changed into a prime (38977343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19909 + ... + 21778.

It is an arithmetic number, because the mean of its divisors is an integer number (3376728).

Almost surely, 238977345 is an apocalyptic number.

It is an amenable number.

38977345 is a deficient number, since it is larger than the sum of its proper divisors (15050303).

38977345 is a wasteful number, since it uses less digits than its factorization.

38977345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41720.

The product of its digits is 635040, while the sum is 46.

The square root of 38977345 is about 6243.1838832442. The cubic root of 38977345 is about 339.0554667147.

The spelling of 38977345 in words is "thirty-eight million, nine hundred seventy-seven thousand, three hundred forty-five".

Divisors: 1 5 11 17 55 85 187 935 41687 208435 458557 708679 2292785 3543395 7795469 38977345