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1385860036 = 221131496819
BaseRepresentation
bin101001010011010…
…1000101111000100
310120120201222120111
41102212220233010
510314240010121
6345303442404
746225421161
oct12246505704
93516658514
101385860036
11651311180
12328156404
1319116a732
14d20b1068
1581a002e1
hex529a8bc4

1385860036 has 12 divisors (see below), whose sum is σ = 2645732880. Its totient is φ = 629936360.

The previous prime is 1385860013. The next prime is 1385860039. The reversal of 1385860036 is 6300685831.

It is not an unprimeable number, because it can be changed into a prime (1385860039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15748366 + ... + 15748453.

It is an arithmetic number, because the mean of its divisors is an integer number (220477740).

Almost surely, 21385860036 is an apocalyptic number.

It is an amenable number.

1385860036 is a deficient number, since it is larger than the sum of its proper divisors (1259872844).

1385860036 is a wasteful number, since it uses less digits than its factorization.

1385860036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31496834 (or 31496832 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1385860036 is about 37227.1411204245. The cubic root of 1385860036 is about 1114.9099476160.

The spelling of 1385860036 in words is "one billion, three hundred eighty-five million, eight hundred sixty thousand, thirty-six".

Divisors: 1 2 4 11 22 44 31496819 62993638 125987276 346465009 692930018 1385860036