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245133998 = 241792479
BaseRepresentation
bin11101001110001…
…11001010101110
3122002021002121222
432213013022232
51000223241443
640154023342
76034414244
oct1647071256
9562232558
10245133998
1111640a88a
126a117b52
133ba2a905
14247b0794
15167c2468
hexe9c72ae

245133998 has 24 divisors (see below), whose sum is σ = 382294080. Its totient is φ = 117817440.

The previous prime is 245133997. The next prime is 245134027. The reversal of 245133998 is 899331542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245133997) 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, 511523 + ... + 512001.

It is an arithmetic number, because the mean of its divisors is an integer number (15928920).

Almost surely, 2245133998 is an apocalyptic number.

245133998 is a deficient number, since it is larger than the sum of its proper divisors (137160082).

245133998 is an equidigital number, since it uses as much as digits as its factorization.

245133998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 601 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 245133998 is about 15656.7556664847. The cubic root of 245133998 is about 625.8465311916.

The spelling of 245133998 in words is "two hundred forty-five million, one hundred thirty-three thousand, nine hundred ninety-eight".

Divisors: 1 2 41 79 82 158 479 958 3239 6241 6478 12482 19639 37841 39278 75682 255881 511762 1551481 2989439 3102962 5978878 122566999 245133998