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264949072 = 24191316653
BaseRepresentation
bin11111100101011…
…00110101010000
3200110112210210121
433302230311100
51020311332242
642142440024
76365013163
oct1762546520
9613483717
10264949072
11126614183
1274893014
1342b77acb
142728bada
15183d8667
hexfcacd50

264949072 has 40 divisors (see below), whose sum is σ = 544563360. Its totient is φ = 124525440.

The previous prime is 264949057. The next prime is 264949079. The reversal of 264949072 is 270949462.

It is a super-2 number, since 2×2649490722 = 140396021507322368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264949079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36498 + ... + 43150.

It is an arithmetic number, because the mean of its divisors is an integer number (13614084).

Almost surely, 2264949072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264949072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272281680).

264949072 is an abundant number, since it is smaller than the sum of its proper divisors (279614288).

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

264949072 is a wasteful number, since it uses less digits than its factorization.

264949072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811 (or 6805 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 264949072 is about 16277.2562798526. The cubic root of 264949072 is about 642.2746792257.

The spelling of 264949072 in words is "two hundred sixty-four million, nine hundred forty-nine thousand, seventy-two".

Divisors: 1 2 4 8 16 19 38 76 131 152 262 304 524 1048 2096 2489 4978 6653 9956 13306 19912 26612 39824 53224 106448 126407 252814 505628 871543 1011256 1743086 2022512 3486172 6972344 13944688 16559317 33118634 66237268 132474536 264949072