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1451996928 = 2835171373
BaseRepresentation
bin101011010001011…
…1011011100000000
310202012012002100000
41112202323130000
510433202400203
6400025200000
750660525124
oct12642733400
93665162300
101451996928
11685683868
12346330000
131a1a85aa5
14daba9584
15877164a3
hex568bb700

1451996928 has 216 divisors, whose sum is σ = 4600250928. Its totient is φ = 455196672.

The previous prime is 1451996893. The next prime is 1451996981. The reversal of 1451996928 is 8296991541.

1451996928 is a `hidden beast` number, since 14 + 519 + 96 + 9 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a super-3 number, since 3×14519969283 (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1056850 + ... + 1058222.

It is an arithmetic number, because the mean of its divisors is an integer number (21297458).

Almost surely, 21451996928 is an apocalyptic number.

1451996928 is a gapful number since it is divisible by the number (18) 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 1451996928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2300125464).

1451996928 is an abundant number, since it is smaller than the sum of its proper divisors (3148254000).

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

1451996928 is an equidigital number, since it uses as much as digits as its factorization.

1451996928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 1395 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 54.

The square root of 1451996928 is about 38105.0774569479. The cubic root of 1451996928 is about 1132.3705496527.

The spelling of 1451996928 in words is "one billion, four hundred fifty-one million, nine hundred ninety-six thousand, nine hundred twenty-eight".