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3394939680 = 2532511792713
BaseRepresentation
bin1100101001011010…
…1010101100100000
322202121011210201200
43022112222230200
523423101032210
61320513201200
7150062340216
oct31226525440
98677153650
103394939680
11149239a480
127a8b60200
13421473762
14242c50cb6
1514d0a80c0
hexca5aab20

3394939680 has 288 divisors, whose sum is σ = 12803132160. Its totient is φ = 812298240.

The previous prime is 3394939663. The next prime is 3394939693. The reversal of 3394939680 is 869394933.

It is a happy number.

3394939680 is a `hidden beast` number, since 3 + 394 + 93 + 96 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1250004 + ... + 1252716.

It is an arithmetic number, because the mean of its divisors is an integer number (44455320).

Almost surely, 23394939680 is an apocalyptic number.

3394939680 is a gapful number since it is divisible by the number (30) 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 3394939680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6401566080).

3394939680 is an abundant number, since it is smaller than the sum of its proper divisors (9408192480).

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

3394939680 is a wasteful number, since it uses less digits than its factorization.

3394939680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824 (or 2813 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The square root of 3394939680 is about 58266.1109050535. The cubic root of 3394939680 is about 1502.9482281706.

The spelling of 3394939680 in words is "three billion, three hundred ninety-four million, nine hundred thirty-nine thousand, six hundred eighty".