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234511040 = 2657310039
BaseRepresentation
bin11011111101001…
…01101011000000
3121100021101200002
431332211223000
5440013323130
635134215132
75545211441
oct1576455300
9540241602
10234511040
11110414685
12666544a8
133977b63a
14232072c8
15158c4b45
hexdfa5ac0

234511040 has 56 divisors (see below), whose sum is σ = 566135520. Its totient is φ = 92510208.

The previous prime is 234511033. The next prime is 234511087. The reversal of 234511040 is 40115432.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18341 + ... + 28379.

Almost surely, 2234511040 is an apocalyptic number.

234511040 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 234511040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283067760).

234511040 is an abundant number, since it is smaller than the sum of its proper divisors (331624480).

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

234511040 is a wasteful number, since it uses less digits than its factorization.

234511040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10129 (or 10119 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 234511040 is about 15313.7532956490. The cubic root of 234511040 is about 616.6722856399.

Adding to 234511040 its reverse (40115432), we get a palindrome (274626472).

The spelling of 234511040 in words is "two hundred thirty-four million, five hundred eleven thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 73 80 146 160 292 320 365 584 730 1168 1460 2336 2920 4672 5840 10039 11680 20078 23360 40156 50195 80312 100390 160624 200780 321248 401560 642496 732847 803120 1465694 1606240 2931388 3212480 3664235 5862776 7328470 11725552 14656940 23451104 29313880 46902208 58627760 117255520 234511040