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1146886428 = 22395573869
BaseRepresentation
bin100010001011100…
…0001100100011100
32221221001212102010
41010113001210130
54322100331203
6305445431220
740264242132
oct10427014434
92857055363
101146886428
11539429826
1228010b510
131537b8b2c
14ac465752
156aa48303
hex445c191c

1146886428 has 12 divisors (see below), whose sum is σ = 2676068360. Its totient is φ = 382295472.

The previous prime is 1146886423. The next prime is 1146886441. The reversal of 1146886428 is 8246886411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146886423) 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, 47786923 + ... + 47786946.

Almost surely, 21146886428 is an apocalyptic number.

It is an amenable number.

1146886428 is an abundant number, since it is smaller than the sum of its proper divisors (1529181932).

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

1146886428 is a wasteful number, since it uses less digits than its factorization.

1146886428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95573876 (or 95573874 counting only the distinct ones).

The product of its digits is 589824, while the sum is 48.

The square root of 1146886428 is about 33865.7116860107. The cubic root of 1146886428 is about 1046.7431748384.

The spelling of 1146886428 in words is "one billion, one hundred forty-six million, eight hundred eighty-six thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 95573869 191147738 286721607 382295476 573443214 1146886428