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3938832545 = 54191880111
BaseRepresentation
bin1110101011000101…
…1101000010100001
3101011111121102110212
43222301131002201
531031320120140
61450502503505
7166415344544
oct35261350241
911144542425
103938832545
11174140620a
1291b134b95
134aa05625b
1429519085b
15180be1765
hexeac5d0a1

3938832545 has 8 divisors (see below), whose sum is σ = 4737882240. Its totient is φ = 3143543920.

The previous prime is 3938832523. The next prime is 3938832553. The reversal of 3938832545 is 5452388393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3938832545 - 212 = 3938828449 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3938832493 and 3938832502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937961 + ... + 942150.

It is an arithmetic number, because the mean of its divisors is an integer number (592235280).

Almost surely, 23938832545 is an apocalyptic number.

It is an amenable number.

3938832545 is a deficient number, since it is larger than the sum of its proper divisors (799049695).

3938832545 is a wasteful number, since it uses less digits than its factorization.

3938832545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880535.

The product of its digits is 3110400, while the sum is 50.

The square root of 3938832545 is about 62760.1190645779. The cubic root of 3938832545 is about 1579.2680133631.

The spelling of 3938832545 in words is "three billion, nine hundred thirty-eight million, eight hundred thirty-two thousand, five hundred forty-five".

Divisors: 1 5 419 2095 1880111 9400555 787766509 3938832545