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1407272993 = 7231979551
BaseRepresentation
bin101001111100001…
…0100100000100001
310122002000212121222
41103320110200201
510340230213433
6351350424425
746605423500
oct12370244041
93562025558
101407272993
11662407035
12333362115
13195727019
14d4c86837
158382eb98
hex53e14821

1407272993 has 24 divisors (see below), whose sum is σ = 1707439104. Its totient is φ = 1155168000.

The previous prime is 1407272983. The next prime is 1407273011. The reversal of 1407272993 is 3992727041.

It is not a de Polignac number, because 1407272993 - 210 = 1407271969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1407272983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142568 + ... + 152118.

It is an arithmetic number, because the mean of its divisors is an integer number (71143296).

Almost surely, 21407272993 is an apocalyptic number.

It is an amenable number.

1407272993 is a deficient number, since it is larger than the sum of its proper divisors (300166111).

1407272993 is an equidigital number, since it uses as much as digits as its factorization.

1407272993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9693 (or 9686 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 1407272993 is about 37513.6374269412. The cubic root of 1407272993 is about 1120.6227916446.

The spelling of 1407272993 in words is "one billion, four hundred seven million, two hundred seventy-two thousand, nine hundred ninety-three".

Divisors: 1 7 31 49 97 217 679 1519 3007 4753 9551 21049 66857 147343 296081 467999 926447 2072567 6485129 14507969 28719857 45395903 201038999 1407272993