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264895990 = 25191331419
BaseRepresentation
bin11111100100111…
…11110111110110
3200110110002222121
433302133313312
51020303132430
642141350154
76364402342
oct1762376766
9613402877
10264895990
11126588307
127486835a
1342b598b8
1427276622
15183c7a7a
hexfc9fdf6

264895990 has 32 divisors (see below), whose sum is σ = 481904640. Its totient is φ = 104834400.

The previous prime is 264895963. The next prime is 264895997. The reversal of 264895990 is 99598462.

264895990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264895997) 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, 632001 + ... + 632419.

It is an arithmetic number, because the mean of its divisors is an integer number (15059520).

Almost surely, 2264895990 is an apocalyptic number.

264895990 is a deficient number, since it is larger than the sum of its proper divisors (217008650).

264895990 is a wasteful number, since it uses less digits than its factorization.

264895990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 264895990 is about 16275.6256408164. The cubic root of 264895990 is about 642.2317835585.

The spelling of 264895990 in words is "two hundred sixty-four million, eight hundred ninety-five thousand, nine hundred ninety".

Divisors: 1 2 5 10 191 331 382 419 662 838 955 1655 1910 2095 3310 4190 63221 80029 126442 138689 160058 277378 316105 400145 632210 693445 800290 1386890 26489599 52979198 132447995 264895990