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140244832 = 25713172833
BaseRepresentation
bin10000101101111…
…11011101100000
3100202220011202001
420112333131200
5241400313312
621525533344
73322030030
oct1026773540
9322804661
10140244832
117218a022
123ab74254
1323094910
14148a98c0
15c4a4057
hex85bf760

140244832 has 96 divisors (see below), whose sum is σ = 359940672. Its totient is φ = 52199424.

The previous prime is 140244827. The next prime is 140244847. The reversal of 140244832 is 238442041.

It is a happy number.

It is a super-2 number, since 2×1402448322 = 39337225805416448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 140244832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48088 + ... + 50920.

It is an arithmetic number, because the mean of its divisors is an integer number (3749382).

Almost surely, 2140244832 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 140244832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179970336).

140244832 is an abundant number, since it is smaller than the sum of its proper divisors (219695840).

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

140244832 is a wasteful number, since it uses less digits than its factorization.

140244832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880 (or 2872 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 140244832 is about 11842.5010871859. The cubic root of 140244832 is about 519.5519216990.

Adding to 140244832 its reverse (238442041), we get a palindrome (378686873).

The spelling of 140244832 in words is "one hundred forty million, two hundred forty-four thousand, eight hundred thirty-two".

Divisors: 1 2 4 7 8 13 14 16 17 26 28 32 34 52 56 68 91 104 112 119 136 182 208 221 224 238 272 364 416 442 476 544 728 884 952 1456 1547 1768 1904 2833 2912 3094 3536 3808 5666 6188 7072 11332 12376 19831 22664 24752 36829 39662 45328 48161 49504 73658 79324 90656 96322 147316 158648 192644 257803 294632 317296 337127 385288 515606 589264 626093 634592 674254 770576 1031212 1178528 1252186 1348508 1541152 2062424 2504372 2697016 4124848 4382651 5008744 5394032 8249696 8765302 10017488 10788064 17530604 20034976 35061208 70122416 140244832