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2080390446 = 233195233877
BaseRepresentation
bin111110000000000…
…0011110100101110
312100222121210012000
41330000003310232
513230034443241
6542233553130
7102361012161
oct17400036456
95328553160
102080390446
11978365152
124a08757a6
13272013384
1415a423ad8
15c2991eb6
hex7c003d2e

2080390446 has 64 divisors (see below), whose sum is σ = 4876972800. Its totient is φ = 655540128.

The previous prime is 2080390393. The next prime is 2080390483. The reversal of 2080390446 is 6440930802.

It is a happy number.

2080390446 is a `hidden beast` number, since 208 + 0 + 3 + 9 + 0 + 446 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2080390446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534660 + ... + 538536.

It is an arithmetic number, because the mean of its divisors is an integer number (76202700).

Almost surely, 22080390446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2080390446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2438486400).

2080390446 is an abundant number, since it is smaller than the sum of its proper divisors (2796582354).

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

2080390446 is a wasteful number, since it uses less digits than its factorization.

2080390446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430 (or 4424 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 2080390446 is about 45611.2973505468. The cubic root of 2080390446 is about 1276.5807273156.

The spelling of 2080390446 in words is "two billion, eighty million, three hundred ninety thousand, four hundred forty-six".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 114 171 342 513 523 1026 1046 1569 3138 3877 4707 7754 9414 9937 11631 14121 19874 23262 28242 29811 34893 59622 69786 73663 89433 104679 147326 178866 209358 220989 268299 441978 536598 662967 1325934 1988901 2027671 3977802 4055342 6083013 12166026 18249039 36498078 38525749 54747117 77051498 109494234 115577247 231154494 346731741 693463482 1040195223 2080390446