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53678146 = 2171578769
BaseRepresentation
bin1100110011000…
…1000001000010
310202000010120111
43030301001002
5102220200041
65154301534
71221154024
oct314610102
9122003514
1053678146
1128333205
1215b878aa
13b175622
1471b4014
154aa4981
hex3331042

53678146 has 8 divisors (see below), whose sum is σ = 85253580. Its totient is φ = 25260288.

The previous prime is 53678137. The next prime is 53678153. The reversal of 53678146 is 64187635.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53509225 + 168921 = 7315^2 + 411^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 53678099 and 53678108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789351 + ... + 789418.

Almost surely, 253678146 is an apocalyptic number.

53678146 is a deficient number, since it is larger than the sum of its proper divisors (31575434).

53678146 is a wasteful number, since it uses less digits than its factorization.

53678146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578788.

The product of its digits is 120960, while the sum is 40.

The square root of 53678146 is about 7326.5371083480. The cubic root of 53678146 is about 377.2238724547.

It can be divided in two parts, 53678 and 146, that added together give a square (53824 = 2322).

The spelling of 53678146 in words is "fifty-three million, six hundred seventy-eight thousand, one hundred forty-six".

Divisors: 1 2 17 34 1578769 3157538 26839073 53678146