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1532430240 = 253511290233
BaseRepresentation
bin101101101010111…
…0000011110100000
310221210112112002120
41123111300132200
511114300231430
6412021144240
752655304435
oct13325603640
93853475076
101532430240
11717020580
1236925b080
131b5638473
14107745b8c
158e803610
hex5b5707a0

1532430240 has 96 divisors (see below), whose sum is σ = 5266005696. Its totient is φ = 371496960.

The previous prime is 1532430191. The next prime is 1532430241. The reversal of 1532430240 is 420342351.

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 (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1532430240.

It is not an unprimeable number, because it can be changed into a prime (1532430241) 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, 139837 + ... + 150396.

It is an arithmetic number, because the mean of its divisors is an integer number (54854226).

Almost surely, 21532430240 is an apocalyptic number.

1532430240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1532430240 is an abundant number, since it is smaller than the sum of its proper divisors (3733575456).

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

1532430240 is a wasteful number, since it uses less digits than its factorization.

1532430240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290262 (or 290254 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1532430240 is about 39146.2672550015. The cubic root of 1532430240 is about 1152.9051287371.

Adding to 1532430240 its reverse (420342351), we get a palindrome (1952772591).

The spelling of 1532430240 in words is "one billion, five hundred thirty-two million, four hundred thirty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 66 80 88 96 110 120 132 160 165 176 220 240 264 330 352 440 480 528 660 880 1056 1320 1760 2640 5280 290233 580466 870699 1160932 1451165 1741398 2321864 2902330 3192563 3482796 4353495 4643728 5804660 6385126 6965592 8706990 9287456 9577689 11609320 12770252 13931184 15962815 17413980 19155378 23218640 25540504 27862368 31925630 34827960 38310756 46437280 47888445 51081008 63851260 69655920 76621512 95776890 102162016 127702520 139311840 153243024 191553780 255405040 306486048 383107560 510810080 766215120 1532430240