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244968406 = 21989113641
BaseRepresentation
bin11101001100111…
…10101111010110
3122001221200110221
432212132233112
51000202442111
640150304554
76033124414
oct1646365726
9561850427
10244968406
11116307431
126a05815a
133b9a0427
142476a2b4
151678d371
hexe99ebd6

244968406 has 32 divisors (see below), whose sum is σ = 395215200. Its totient is φ = 113541120.

The previous prime is 244968401. The next prime is 244968421. The reversal of 244968406 is 604869442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244968401) 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, 381846 + ... + 382486.

It is an arithmetic number, because the mean of its divisors is an integer number (12350475).

Almost surely, 2244968406 is an apocalyptic number.

244968406 is a deficient number, since it is larger than the sum of its proper divisors (150246794).

244968406 is a wasteful number, since it uses less digits than its factorization.

244968406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864.

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 244968406 is about 15651.4665766503. The cubic root of 244968406 is about 625.7055762796.

The spelling of 244968406 in words is "two hundred forty-four million, nine hundred sixty-eight thousand, four hundred six".

Divisors: 1 2 19 38 89 113 178 226 641 1282 1691 2147 3382 4294 10057 12179 20114 24358 57049 72433 114098 144866 191083 382166 1083931 1376227 2167862 2752454 6446537 12893074 122484203 244968406