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136350421 = 1710774959
BaseRepresentation
bin10000010000010…
…00101011010101
3100111120022121121
420020020223111
5234401203141
621310243541
73243650044
oct1010105325
9314508547
10136350421
116aa6a0a9
12397b65b1
132233012c
141417455b
15be851d1
hex8208ad5

136350421 has 8 divisors (see below), whose sum is σ = 145722240. Its totient is φ = 127128768.

The previous prime is 136350413. The next prime is 136350443. The reversal of 136350421 is 124053631.

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 136350421 - 23 = 136350413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136356421) 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, 35661 + ... + 39298.

It is an arithmetic number, because the mean of its divisors is an integer number (18215280).

Almost surely, 2136350421 is an apocalyptic number.

It is an amenable number.

136350421 is a deficient number, since it is larger than the sum of its proper divisors (9371819).

136350421 is a wasteful number, since it uses less digits than its factorization.

136350421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75083.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 136350421 is about 11676.9183006476. The cubic root of 136350421 is about 514.6976212194.

The spelling of 136350421 in words is "one hundred thirty-six million, three hundred fifty thousand, four hundred twenty-one".

Divisors: 1 17 107 1819 74959 1274303 8020613 136350421