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1366035457 = 19891794513
BaseRepresentation
bin101000101101100…
…0000110000000001
310112012102210100211
41101123000300001
510244201113312
6343314514121
745565052443
oct12133006001
93465383324
101366035457
11641100726
12321595941
1318a019107
14cd5d0493
157edd63a7
hex516c0c01

1366035457 has 16 divisors (see below), whose sum is σ = 1462536000. Its totient is φ = 1272167424.

The previous prime is 1366035443. The next prime is 1366035479. The reversal of 1366035457 is 7545306631.

It is a de Polignac number, because none of the positive numbers 2k-1366035457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1366035257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300433 + ... + 304945.

It is an arithmetic number, because the mean of its divisors is an integer number (91408500).

Almost surely, 21366035457 is an apocalyptic number.

It is an amenable number.

1366035457 is a deficient number, since it is larger than the sum of its proper divisors (96500543).

1366035457 is a wasteful number, since it uses less digits than its factorization.

1366035457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 1366035457 is about 36959.9168965516. The cubic root of 1366035457 is about 1109.5681725290.

The spelling of 1366035457 in words is "one billion, three hundred sixty-six million, thirty-five thousand, four hundred fifty-seven".

Divisors: 1 19 89 179 1691 3401 4513 15931 85747 302689 401657 807827 7631483 15348713 71896603 1366035457