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1400530100 = 2252109128489
BaseRepresentation
bin101001101111010…
…0110010010110100
310121121100022010012
41103132212102310
510332013430400
6350550115352
746464211064
oct12336462264
93547308105
101400530100
11659620aa2
1233104bb58
13194205b48
14d400d3a4
1582e4bd35
hex537a64b4

1400530100 has 36 divisors (see below), whose sum is σ = 3067056300. Its totient is φ = 555068160.

The previous prime is 1400530093. The next prime is 1400530123. The reversal of 1400530100 is 10350041.

It can be written as a sum of positive squares in 6 ways, for example, as 129322384 + 1271207716 = 11372^2 + 35654^2 .

It is a super-2 number, since 2×14005301002 = 3922969122012020000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53345 + ... + 75144.

Almost surely, 21400530100 is an apocalyptic number.

1400530100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400530100 is an abundant number, since it is smaller than the sum of its proper divisors (1666526200).

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

1400530100 is a wasteful number, since it uses less digits than its factorization.

1400530100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128612 (or 128605 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1400530100 is about 37423.6569565295. The cubic root of 1400530100 is about 1118.8301187901.

Adding to 1400530100 its reverse (10350041), we get a palindrome (1410880141).

The spelling of 1400530100 in words is "one billion, four hundred million, five hundred thirty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 109 218 436 545 1090 2180 2725 5450 10900 128489 256978 513956 642445 1284890 2569780 3212225 6424450 12848900 14005301 28010602 56021204 70026505 140053010 280106020 350132525 700265050 1400530100