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1364404861 = 19723992887
BaseRepresentation
bin101000101010011…
…0010101001111101
310112002100221121101
41101110302221331
510243241423421
6343215533101
745545151511
oct12124625175
93462327541
101364404861
11640197626
12320b2a191
13189897b71
14cd2c8141
157ebb3191
hex51532a7d

1364404861 has 8 divisors (see below), whose sum is σ = 1372377600. Its totient is φ = 1356443088.

The previous prime is 1364404849. The next prime is 1364404897. The reversal of 1364404861 is 1684044631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1364404861 - 27 = 1364404733 is a prime.

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 1364404861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364404831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471160 + ... + 474046.

It is an arithmetic number, because the mean of its divisors is an integer number (171547200).

Almost surely, 21364404861 is an apocalyptic number.

It is an amenable number.

1364404861 is a deficient number, since it is larger than the sum of its proper divisors (7972739).

1364404861 is a wasteful number, since it uses less digits than its factorization.

1364404861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 1364404861 is about 36937.8513316625. The cubic root of 1364404861 is about 1109.1265105458.

The spelling of 1364404861 in words is "one billion, three hundred sixty-four million, four hundred four thousand, eight hundred sixty-one".

Divisors: 1 197 2399 2887 472603 568739 6925913 1364404861