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1424666880 = 28345713151
BaseRepresentation
bin101010011101010…
…1011000100000000
310200021202120120000
41110322223010000
510404203320010
6353211320000
750206316520
oct12472530400
93607676500
101424666880
1167120734a
12339150000
13199207170
14d72d3680
15851187c0
hex54eab100

1424666880 has 720 divisors, whose sum is σ = 6315665664. Its totient is φ = 298598400.

The previous prime is 1424666849. The next prime is 1424666891. The reversal of 1424666880 is 886664241.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9434805 + ... + 9434955.

Almost surely, 21424666880 is an apocalyptic number.

1424666880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1424666880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3157832832).

1424666880 is an abundant number, since it is smaller than the sum of its proper divisors (4890998784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1424666880 is a wasteful number, since it uses less digits than its factorization.

1424666880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 1424666880 is about 37744.7596362727. The cubic root of 1424666880 is about 1125.2208633033.

The spelling of 1424666880 in words is "one billion, four hundred twenty-four million, six hundred sixty-six thousand, eight hundred eighty".