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253473996 = 223131383421
BaseRepresentation
bin11110001101110…
…11010011001100
3122122221210221210
433012323103030
51004342131441
641052454420
76165331146
oct1706732314
9578853853
10253473996
11120096846
1270a7a410
134068aa19
1425941c96
15173bd616
hexf1bb4cc

253473996 has 48 divisors (see below), whose sum is σ = 598929408. Its totient is φ = 83428800.

The previous prime is 253473991. The next prime is 253474027. The reversal of 253473996 is 699374352.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (253473991) 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, 601866 + ... + 602286.

It is an arithmetic number, because the mean of its divisors is an integer number (12477696).

Almost surely, 2253473996 is an apocalyptic number.

It is an amenable number.

253473996 is an abundant number, since it is smaller than the sum of its proper divisors (345455412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253473996 is a wasteful number, since it uses less digits than its factorization.

253473996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 940 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 48.

The square root of 253473996 is about 15920.8666849515. The cubic root of 253473996 is about 632.8650860870.

The spelling of 253473996 in words is "two hundred fifty-three million, four hundred seventy-three thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 131 262 383 393 421 524 766 786 842 1149 1263 1532 1572 1684 2298 2526 4596 5052 50173 55151 100346 110302 150519 161243 165453 200692 220604 301038 322486 330906 483729 602076 644972 661812 967458 1934916 21122833 42245666 63368499 84491332 126736998 253473996