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1354878049 = 71910187053
BaseRepresentation
bin101000011000001…
…1100110001100001
310111102102221021111
41100300130301201
510233322044144
6342235423321
745401162530
oct12060346141
93442387244
101354878049
1163587aa28
123198b4b41
131879107b5
14cbd28317
157de30534
hex50c1cc61

1354878049 has 8 divisors (see below), whose sum is σ = 1629928640. Its totient is φ = 1100201616.

The previous prime is 1354877989. The next prime is 1354878059. The reversal of 1354878049 is 9408784531.

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 1354878049 - 27 = 1354877921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1354877993 and 1354878011.

It is not an unprimeable number, because it can be changed into a prime (1354878059) 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, 5093394 + ... + 5093659.

It is an arithmetic number, because the mean of its divisors is an integer number (203741080).

Almost surely, 21354878049 is an apocalyptic number.

1354878049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1354878049 is a deficient number, since it is larger than the sum of its proper divisors (275050591).

1354878049 is a wasteful number, since it uses less digits than its factorization.

1354878049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10187079.

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 1354878049 is about 36808.6681231473. The cubic root of 1354878049 is about 1106.5390262116.

The spelling of 1354878049 in words is "one billion, three hundred fifty-four million, eight hundred seventy-eight thousand, forty-nine".

Divisors: 1 7 19 133 10187053 71309371 193554007 1354878049