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1807780324 = 227230372
BaseRepresentation
bin110101111000000…
…1000100111100100
311122222122202101211
41223300020213210
512200242432244
6455215001204
762540610400
oct15360104744
94588582354
101807780324
11848499129
12425509204
1322a6b54cc
14132140100
15a8a93934
hex6bc089e4

1807780324 has 27 divisors (see below), whose sum is σ = 3681336393. Its totient is φ = 774507888.

The previous prime is 1807780313. The next prime is 1807780361. The reversal of 1807780324 is 4230877081.

The square root of 1807780324 is 42518.

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., 1531156900 + 276623424 = 39130^2 + 16632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 593734 + ... + 596770.

Almost surely, 21807780324 is an apocalyptic number.

1807780324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1807780324 is the 42518-th square number.

It is an amenable number.

1807780324 is an abundant number, since it is smaller than the sum of its proper divisors (1873556069).

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

1807780324 is an frugal number, since it uses more digits than its factorization.

1807780324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6092 (or 3046 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The cubic root of 1807780324 is about 1218.1905281724.

The spelling of 1807780324 in words is "one billion, eight hundred seven million, seven hundred eighty thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 28 49 98 196 3037 6074 12148 21259 42518 85036 148813 297626 595252 9223369 18446738 36893476 64563583 129127166 258254332 451945081 903890162 1807780324