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1379196720 = 243451121759
BaseRepresentation
bin101001000110100…
…1101111100110000
310120010012110020000
41102031031330300
510311033243340
6344504550000
746114656456
oct12215157460
93503173200
101379196720
1164857aa00
12325a82300
1318c976845
14d12589d6
1581135d30
hex5234df30

1379196720 has 300 divisors, whose sum is σ = 5268204480. Its totient is φ = 334160640.

The previous prime is 1379196701. The next prime is 1379196737. The reversal of 1379196720 is 276919731.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 783201 + ... + 784959.

Almost surely, 21379196720 is an apocalyptic number.

1379196720 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 1379196720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2634102240).

1379196720 is an abundant number, since it is smaller than the sum of its proper divisors (3889007760).

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

1379196720 is a wasteful number, since it uses less digits than its factorization.

1379196720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 1379196720 is about 37137.5378828484. The cubic root of 1379196720 is about 1113.1202200841.

The spelling of 1379196720 in words is "one billion, three hundred seventy-nine million, one hundred ninety-six thousand, seven hundred twenty".