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245969406 = 23323198043
BaseRepresentation
bin11101010100100…
…11000111111110
3122010211112121000
432222103013332
51000432010111
640223551130
76044463654
oct1652230776
9563745530
10245969406
11116930501
126a45b4a6
133bc60c37
142494add4
15168d9c56
hexea931fe

245969406 has 32 divisors (see below), whose sum is σ = 570366720. Its totient is φ = 78424632.

The previous prime is 245969393. The next prime is 245969419. The reversal of 245969406 is 604969542.

It is an interprime number because it is at equal distance from previous prime (245969393) and next prime (245969419).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97780 + ... + 100263.

It is an arithmetic number, because the mean of its divisors is an integer number (17823960).

Almost surely, 2245969406 is an apocalyptic number.

245969406 is an abundant number, since it is smaller than the sum of its proper divisors (324397314).

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

245969406 is a wasteful number, since it uses less digits than its factorization.

245969406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198077 (or 198071 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 245969406 is about 15683.4118099347. The cubic root of 245969406 is about 626.5566793667.

The spelling of 245969406 in words is "two hundred forty-five million, nine hundred sixty-nine thousand, four hundred six".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 138 207 414 621 1242 198043 396086 594129 1188258 1782387 3564774 4554989 5347161 9109978 10694322 13664967 27329934 40994901 81989802 122984703 245969406