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1000235240 = 235191316099
BaseRepresentation
bin111011100111100…
…110000011101000
32120201010012210122
4323213212003220
54022030011430
6243130302412
733533600504
oct7347460350
92521105718
101000235240
114736745a4
1223ab87a08
1312c2c0294
1496bad304
155cc2aee5
hex3b9e60e8

1000235240 has 32 divisors (see below), whose sum is σ = 2368980000. Its totient is φ = 379036224.

The previous prime is 1000235233. The next prime is 1000235261. The reversal of 1000235240 is 425320001.

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, 657290 + ... + 658809.

It is an arithmetic number, because the mean of its divisors is an integer number (74030625).

Almost surely, 21000235240 is an apocalyptic number.

1000235240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000235240 is an abundant number, since it is smaller than the sum of its proper divisors (1368744760).

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

1000235240 is a wasteful number, since it uses less digits than its factorization.

1000235240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316129 (or 1316125 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1000235240 is about 31626.4958539513. The cubic root of 1000235240 is about 1000.0784071855.

Adding to 1000235240 its reverse (425320001), we get a palindrome (1425555241).

The spelling of 1000235240 in words is "one billion, two hundred thirty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 1316099 2632198 5264396 6580495 10528792 13160990 25005881 26321980 50011762 52643960 100023524 125029405 200047048 250058810 500117620 1000235240