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1368433754 = 2684216877
BaseRepresentation
bin101000110010000…
…1010010001011010
310112100221122012122
41101210022101122
510300304340004
6343442141242
745624331532
oct12144122132
93470848178
101368433754
11642499596
12322351822
1318a67891c
14cda564c2
158020bcbe
hex5190a45a

1368433754 has 4 divisors (see below), whose sum is σ = 2052650634. Its totient is φ = 684216876.

The previous prime is 1368433727. The next prime is 1368433757. The reversal of 1368433754 is 4573348631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1223110729 + 145323025 = 34973^2 + 12055^2 .

It is a super-2 number, since 2×13684337542 = 3745221878173065032, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1368433757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342108437 + ... + 342108440.

Almost surely, 21368433754 is an apocalyptic number.

1368433754 is a deficient number, since it is larger than the sum of its proper divisors (684216880).

1368433754 is an equidigital number, since it uses as much as digits as its factorization.

1368433754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684216879.

The product of its digits is 725760, while the sum is 44.

The square root of 1368433754 is about 36992.3472356108. The cubic root of 1368433754 is about 1110.2171352401.

The spelling of 1368433754 in words is "one billion, three hundred sixty-eight million, four hundred thirty-three thousand, seven hundred fifty-four".

Divisors: 1 2 684216877 1368433754