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1442998272 = 2113234863
BaseRepresentation
bin101011000000010…
…0110100000000000
310201120020220111110
41112000212200000
510423401421042
6355104243320
750521166022
oct12600464000
93646226443
101442998272
11680597a61
12343310540
1319cc54c41
14d9906012
1586a3a09c
hex56026800

1442998272 has 48 divisors (see below), whose sum is σ = 3847072320. Its totient is φ = 480997376.

The previous prime is 1442998237. The next prime is 1442998273. The reversal of 1442998272 is 2728992441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1442998273) 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, 111288 + ... + 123575.

It is an arithmetic number, because the mean of its divisors is an integer number (80147340).

Almost surely, 21442998272 is an apocalyptic number.

1442998272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1442998272 is an abundant number, since it is smaller than the sum of its proper divisors (2404074048).

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

1442998272 is an equidigital number, since it uses as much as digits as its factorization.

1442998272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234888 (or 234868 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 1442998272 is about 37986.8170817193. The cubic root of 1442998272 is about 1130.0264363252.

The spelling of 1442998272 in words is "one billion, four hundred forty-two million, nine hundred ninety-eight thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 2048 3072 6144 234863 469726 704589 939452 1409178 1878904 2818356 3757808 5636712 7515616 11273424 15031232 22546848 30062464 45093696 60124928 90187392 120249856 180374784 240499712 360749568 480999424 721499136 1442998272