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2690704384 = 21016212
BaseRepresentation
bin1010000001100000…
…1110010000000000
320221112000221111221
42200120032100000
521002310020014
61122555044424
7123451416124
oct24030162000
96845027457
102690704384
111160918035
12631140714
1333b5b0694
141b74d3584
1510b34ab24
hexa060e400

2690704384 has 33 divisors (see below), whose sum is σ = 5382101361. Its totient is φ = 1344522240.

The previous prime is 2690704351. The next prime is 2690704411. The reversal of 2690704384 is 4834070962.

The square root of 2690704384 is 51872.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2067702784 + 623001600 = 45472^2 + 24960^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2690704384.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1659094 + ... + 1660714.

Almost surely, 22690704384 is an apocalyptic number.

2690704384 is the 51872-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2690704384

2690704384 is an abundant number, since it is smaller than the sum of its proper divisors (2691396977).

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

2690704384 is an frugal number, since it uses more digits than its factorization.

2690704384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262 (or 1623 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The cubic root of 2690704384 is about 1390.8767968435.

The spelling of 2690704384 in words is "two billion, six hundred ninety million, seven hundred four thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 1621 3242 6484 12968 25936 51872 103744 207488 414976 829952 1659904 2627641 5255282 10510564 21021128 42042256 84084512 168169024 336338048 672676096 1345352192 2690704384