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2904642340 = 225314684907
BaseRepresentation
bin1010110100100001…
…0101001100100100
321111102121010012221
42231020111030210
521422042023330
61200120322124
7131660024005
oct25510251444
97442533187
102904642340
11126065a866
12690913344
13373a07aa2
141d7aa31ac
15120009b7a
hexad215324

2904642340 has 24 divisors (see below), whose sum is σ = 6296516352. Its totient is φ = 1124377440.

The previous prime is 2904642329. The next prime is 2904642341. The reversal of 2904642340 is 432464092.

It is a junction number, because it is equal to n+sod(n) for n = 2904642296 and 2904642305.

It is not an unprimeable number, because it can be changed into a prime (2904642341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2341834 + ... + 2343073.

It is an arithmetic number, because the mean of its divisors is an integer number (262354848).

Almost surely, 22904642340 is an apocalyptic number.

2904642340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2904642340 is an abundant number, since it is smaller than the sum of its proper divisors (3391874012).

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

2904642340 is a wasteful number, since it uses less digits than its factorization.

2904642340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684947 (or 4684945 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 2904642340 is about 53894.7338800369. The cubic root of 2904642340 is about 1426.8036813654.

The spelling of 2904642340 in words is "two billion, nine hundred four million, six hundred forty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 4684907 9369814 18739628 23424535 46849070 93698140 145232117 290464234 580928468 726160585 1452321170 2904642340