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1079220240 = 243357137521
BaseRepresentation
bin100000001010011…
…1001100000010000
32210012202001212000
41000110321200100
54202240021430
6255031234000
735513135460
oct10024714020
92705661760
101079220240
1150421215a
12261518900
13142786677
14a348dba0
1564b2de60
hex40539810

1079220240 has 320 divisors, whose sum is σ = 4287582720. Its totient is φ = 244408320.

The previous prime is 1079220211. The next prime is 1079220277. The reversal of 1079220240 is 420229701.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2071180 + ... + 2071700.

It is an arithmetic number, because the mean of its divisors is an integer number (13398696).

Almost surely, 21079220240 is an apocalyptic number.

1079220240 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 1079220240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2143791360).

1079220240 is an abundant number, since it is smaller than the sum of its proper divisors (3208362480).

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

1079220240 is a wasteful number, since it uses less digits than its factorization.

1079220240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1079220240 is about 32851.4876375485. The cubic root of 1079220240 is about 1025.7385880299.

Adding to 1079220240 its reverse (420229701), we get a palindrome (1499449941).

The spelling of 1079220240 in words is "one billion, seventy-nine million, two hundred twenty thousand, two hundred forty".