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253473099 = 3112698273
BaseRepresentation
bin11110001101110…
…11000101001011
3122122221202201120
433012323011023
51004342114344
641052450323
76165325425
oct1706730513
9578852646
10253473099
11120096100
1270a799a3
134068a4a9
1425941815
15173bd219
hexf1bb14b

253473099 has 12 divisors (see below), whose sum is σ = 371481768. Its totient is φ = 153619840.

The previous prime is 253473047. The next prime is 253473113. The reversal of 253473099 is 990374352.

It is not a de Polignac number, because 253473099 - 27 = 253472971 is a prime.

It is a super-2 number, since 2×2534730992 = 128497223833327602, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 253473099.

It is not an unprimeable number, because it can be changed into a prime (253473299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348774 + ... + 349499.

It is an arithmetic number, because the mean of its divisors is an integer number (30956814).

Almost surely, 2253473099 is an apocalyptic number.

253473099 is a deficient number, since it is larger than the sum of its proper divisors (118008669).

253473099 is a wasteful number, since it uses less digits than its factorization.

253473099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698298 (or 698287 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 253473099 is about 15920.8385143497. The cubic root of 253473099 is about 632.8643395533.

The spelling of 253473099 in words is "two hundred fifty-three million, four hundred seventy-three thousand, ninety-nine".

Divisors: 1 3 11 33 121 363 698273 2094819 7681003 23043009 84491033 253473099