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1253898359 = 71710536961
BaseRepresentation
bin100101010111100…
…1111100001110111
310020101102122011222
41022233033201313
510031444221414
6324231220555
743033650230
oct11257174167
93211378158
101253898359
1159387a43a
122abb1775b
1316ca160bc
14bc760087
157513568e
hex4abcf877

1253898359 has 8 divisors (see below), whose sum is σ = 1517322528. Its totient is φ = 1011548160.

The previous prime is 1253898329. The next prime is 1253898389. The reversal of 1253898359 is 9538983521.

It is an interprime number because it is at equal distance from previous prime (1253898329) and next prime (1253898389).

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

It is not a de Polignac number, because 1253898359 - 216 = 1253832823 is a prime.

It is a super-2 number, since 2×12538983592 = 3144522189405785762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1253898359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253898319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5268362 + ... + 5268599.

It is an arithmetic number, because the mean of its divisors is an integer number (189665316).

Almost surely, 21253898359 is an apocalyptic number.

1253898359 is a deficient number, since it is larger than the sum of its proper divisors (263424169).

1253898359 is a wasteful number, since it uses less digits than its factorization.

1253898359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10536985.

The product of its digits is 2332800, while the sum is 53.

The square root of 1253898359 is about 35410.4272637312. The cubic root of 1253898359 is about 1078.3360175393.

The spelling of 1253898359 in words is "one billion, two hundred fifty-three million, eight hundred ninety-eight thousand, three hundred fifty-nine".

Divisors: 1 7 17 119 10536961 73758727 179128337 1253898359