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1083724421 = 13186744651
BaseRepresentation
bin100000010011000…
…0101001010000101
32210112012220102112
41000212011022011
54204413140141
6255311550405
735566335263
oct10046051205
92715186375
101083724421
1150680921a
12262b2b405
131436a2870
14a3d03433
156521d7eb
hex40985285

1083724421 has 8 divisors (see below), whose sum is σ = 1167739104. Its totient is φ = 999802800.

The previous prime is 1083724387. The next prime is 1083724427. The reversal of 1083724421 is 1244273801.

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

It is a cyclic number.

It is not a de Polignac number, because 1083724421 - 226 = 1016615557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083724427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946 + ... + 46596.

It is an arithmetic number, because the mean of its divisors is an integer number (145967388).

Almost surely, 21083724421 is an apocalyptic number.

It is an amenable number.

1083724421 is a deficient number, since it is larger than the sum of its proper divisors (84014683).

1083724421 is a wasteful number, since it uses less digits than its factorization.

1083724421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46531.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 1083724421 is about 32919.9699422706. The cubic root of 1083724421 is about 1027.1635982749.

The spelling of 1083724421 in words is "one billion, eighty-three million, seven hundred twenty-four thousand, four hundred twenty-one".

Divisors: 1 13 1867 24271 44651 580463 83363417 1083724421