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1354778050 = 25253511237
BaseRepresentation
bin101000011000000…
…0100010111000010
310111102020212002211
41100300010113002
510233310344200
6342233332334
745400265143
oct12060042702
93442225084
101354778050
1163581188a
123198670aa
131878a7122
14cbcddaca
157de10aba
hex50c045c2

1354778050 has 24 divisors (see below), whose sum is σ = 2567437236. Its totient is φ = 531685440.

The previous prime is 1354778017. The next prime is 1354778057. The reversal of 1354778050 is 508774531.

It can be written as a sum of positive squares in 6 ways, for example, as 608559561 + 746218489 = 24669^2 + 27317^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1354777994 and 1354778012.

It is not an unprimeable number, because it can be changed into a prime (1354778057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252969 + ... + 258268.

Almost surely, 21354778050 is an apocalyptic number.

1354778050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1354778050 is a deficient number, since it is larger than the sum of its proper divisors (1212659186).

1354778050 is a wasteful number, since it uses less digits than its factorization.

1354778050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511302 (or 511297 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 1354778050 is about 36807.3097359750. The cubic root of 1354778050 is about 1106.5118022317.

The spelling of 1354778050 in words is "one billion, three hundred fifty-four million, seven hundred seventy-eight thousand, fifty".

Divisors: 1 2 5 10 25 50 53 106 265 530 1325 2650 511237 1022474 2556185 5112370 12780925 25561850 27095561 54191122 135477805 270955610 677389025 1354778050