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264750240 = 25352323981
BaseRepresentation
bin11111100011111…
…00010010100000
3200110011201001110
433301330102200
51020234001430
642134303320
76363224406
oct1761742240
9613151043
10264750240
11126498857
12747b7b40
1342b08461
1427239476
15183997b0
hexfc7c4a0

264750240 has 96 divisors (see below), whose sum is σ = 870258816. Its totient is φ = 67527680.

The previous prime is 264750221. The next prime is 264750247. The reversal of 264750240 is 42057462.

264750240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 264750198 and 264750207.

It is not an unprimeable number, because it can be changed into a prime (264750247) 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, 951 + ... + 23030.

It is an arithmetic number, because the mean of its divisors is an integer number (9065196).

Almost surely, 2264750240 is an apocalyptic number.

264750240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264750240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435129408).

264750240 is an abundant number, since it is smaller than the sum of its proper divisors (605508576).

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

264750240 is a wasteful number, since it uses less digits than its factorization.

264750240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24022 (or 24014 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 264750240 is about 16271.1474702923. The cubic root of 264750240 is about 642.1139732242.

The spelling of 264750240 in words is "two hundred sixty-four million, seven hundred fifty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 69 80 92 96 115 120 138 160 184 230 240 276 345 368 460 480 552 690 736 920 1104 1380 1840 2208 2760 3680 5520 11040 23981 47962 71943 95924 119905 143886 191848 239810 287772 359715 383696 479620 551563 575544 719430 767392 959240 1103126 1151088 1438860 1654689 1918480 2206252 2302176 2757815 2877720 3309378 3836960 4412504 5515630 5755440 6618756 8273445 8825008 11031260 11510880 13237512 16546890 17650016 22062520 26475024 33093780 44125040 52950048 66187560 88250080 132375120 264750240