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128467413 = 3214274157
BaseRepresentation
bin1111010100001…
…00000111010101
322221201211011100
413222010013111
5230341424123
620425300313
73116645364
oct752040725
9287654140
10128467413
1166575518
1237034699
1320800029
14130c17db
15b429643
hex7a841d5

128467413 has 6 divisors (see below), whose sum is σ = 185564054. Its totient is φ = 85644936.

The previous prime is 128467411. The next prime is 128467439. The reversal of 128467413 is 314764821.

It can be written as a sum of positive squares in only one way, i.e., 90497169 + 37970244 = 9513^2 + 6162^2 .

It is not a de Polignac number, because 128467413 - 21 = 128467411 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 (128467411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7137070 + ... + 7137087.

Almost surely, 2128467413 is an apocalyptic number.

It is an amenable number.

128467413 is a deficient number, since it is larger than the sum of its proper divisors (57096641).

128467413 is a wasteful number, since it uses less digits than its factorization.

128467413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14274163 (or 14274160 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 128467413 is about 11334.3466066642. The cubic root of 128467413 is about 504.5811158981.

The spelling of 128467413 in words is "one hundred twenty-eight million, four hundred sixty-seven thousand, four hundred thirteen".

Divisors: 1 3 9 14274157 42822471 128467413