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1813370804 = 227428315121
BaseRepresentation
bin110110000010101…
…1101011110110100
311200101011210002122
41230011131132310
512203210331204
6455534455112
762636253230
oct15405353664
94611153078
101813370804
11850667363
12427364498
1322b8c1c9b
14132b975c0
15a92ea0be
hex6c15d7b4

1813370804 has 24 divisors (see below), whose sum is σ = 3627828288. Its totient is φ = 776926080.

The previous prime is 1813370747. The next prime is 1813370809. The reversal of 1813370804 is 4080733181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1813370809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112364 + ... + 127484.

It is an arithmetic number, because the mean of its divisors is an integer number (151159512).

Almost surely, 21813370804 is an apocalyptic number.

1813370804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1813370804 is an abundant number, since it is smaller than the sum of its proper divisors (1814457484).

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

1813370804 is a wasteful number, since it uses less digits than its factorization.

1813370804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19415 (or 19413 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1813370804 is about 42583.6917610486. The cubic root of 1813370804 is about 1219.4449692454. Note that the first 3 decimals are identical.

The spelling of 1813370804 in words is "one billion, eight hundred thirteen million, three hundred seventy thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 4283 8566 15121 17132 29981 30242 59962 60484 105847 119924 211694 423388 64763243 129526486 259052972 453342701 906685402 1813370804