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3807620397 = 32760438419
BaseRepresentation
bin1110001011110011…
…1010110100101101
3100211100201011020200
43202330322310231
530244222323042
61425454304113
7163233145050
oct34274726455
910740634220
103807620397
111684336619
128a31b8039
13488b04b29
14281996a97
15174423c4c
hexe2f3ad2d

3807620397 has 12 divisors (see below), whose sum is σ = 6285595680. Its totient is φ = 2175783048.

The previous prime is 3807620371. The next prime is 3807620417. The reversal of 3807620397 is 7930267083.

It is a happy number.

It is not a de Polignac number, because 3807620397 - 211 = 3807618349 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3807620347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30219147 + ... + 30219272.

It is an arithmetic number, because the mean of its divisors is an integer number (523799640).

Almost surely, 23807620397 is an apocalyptic number.

It is an amenable number.

3807620397 is a deficient number, since it is larger than the sum of its proper divisors (2477975283).

3807620397 is a wasteful number, since it uses less digits than its factorization.

3807620397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60438432 (or 60438429 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 3807620397 is about 61705.9186545343. The cubic root of 3807620397 is about 1561.5331734181.

The spelling of 3807620397 in words is "three billion, eight hundred seven million, six hundred twenty thousand, three hundred ninety-seven".

Divisors: 1 3 7 9 21 63 60438419 181315257 423068933 543945771 1269206799 3807620397