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2770387434 = 23417101157
BaseRepresentation
bin1010010100100000…
…1100000111101010
321011001222021010000
42211020030013222
521133204344214
61134523003430
7125436622203
oct24510140752
97131867100
102770387434
1111a18a20a1
12653969576
13351c5c709
141c3d165aa
1511333a809
hexa520c1ea

2770387434 has 20 divisors (see below), whose sum is σ = 6207720354. Its totient is φ = 923462424.

The previous prime is 2770387409. The next prime is 2770387453. The reversal of 2770387434 is 4347830772.

It can be written as a sum of positive squares in only one way, i.e., 2270999025 + 499388409 = 47655^2 + 22347^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2770387434.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 8550417 + ... + 8550740.

Almost surely, 22770387434 is an apocalyptic number.

2770387434 is an abundant number, since it is smaller than the sum of its proper divisors (3437332920).

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

2770387434 is a wasteful number, since it uses less digits than its factorization.

2770387434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17101171 (or 17101162 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The square root of 2770387434 is about 52634.4700172805. The cubic root of 2770387434 is about 1404.4733501473.

The spelling of 2770387434 in words is "two billion, seven hundred seventy million, three hundred eighty-seven thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 17101157 34202314 51303471 102606942 153910413 307820826 461731239 923462478 1385193717 2770387434