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1425603269 = 19798311443
BaseRepresentation
bin101010011111000…
…1111101011000101
310200100112011001002
41110332033223011
510404423301034
6353243343045
750220266516
oct12476175305
93610464032
101425603269
11671796922
12339521a85
1319947443c
14d7498a0d
1585250e7e
hex54f8fac5

1425603269 has 16 divisors (see below), whose sum is σ = 1538073600. Its totient is φ = 1317294576.

The previous prime is 1425603239. The next prime is 1425603271. The reversal of 1425603269 is 9623065241.

It is a cyclic number.

It is not a de Polignac number, because 1425603269 - 212 = 1425599173 is a prime.

It is a super-2 number, since 2×14256032692 = 4064689361166972722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425603239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118862 + ... + 130304.

It is an arithmetic number, because the mean of its divisors is an integer number (96129600).

Almost surely, 21425603269 is an apocalyptic number.

1425603269 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1425603269 is a deficient number, since it is larger than the sum of its proper divisors (112470331).

1425603269 is a wasteful number, since it uses less digits than its factorization.

1425603269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11624.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 1425603269 is about 37757.1618239507. The cubic root of 1425603269 is about 1125.4673334771.

The spelling of 1425603269 in words is "one billion, four hundred twenty-five million, six hundred three thousand, two hundred sixty-nine".

Divisors: 1 19 79 83 1501 1577 6557 11443 124583 217417 903997 949769 17175943 18045611 75031751 1425603269