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1420103525 = 52673792237
BaseRepresentation
bin101010010100101…
…0000111101100101
310122222011201210212
41110221100331211
510402021303100
6352525425205
750122452341
oct12451207545
93588151725
101420103525
1166967a885
1233770b205
1319829a059
14d6866621
1584a16635
hex54a50f65

1420103525 has 24 divisors (see below), whose sum is σ = 1792727520. Its totient is φ = 1115674560.

The previous prime is 1420103507. The next prime is 1420103537. The reversal of 1420103525 is 5253010241.

It is a de Polignac number, because none of the positive numbers 2k-1420103525 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1420103525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 633707 + ... + 635943.

It is an arithmetic number, because the mean of its divisors is an integer number (74696980).

Almost surely, 21420103525 is an apocalyptic number.

It is an amenable number.

1420103525 is a deficient number, since it is larger than the sum of its proper divisors (372623995).

1420103525 is a wasteful number, since it uses less digits than its factorization.

1420103525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693 (or 2688 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1420103525 is about 37684.2609719230. The cubic root of 1420103525 is about 1124.0181787754.

Adding to 1420103525 its reverse (5253010241), we get a palindrome (6673113766).

The spelling of 1420103525 in words is "one billion, four hundred twenty million, one hundred three thousand, five hundred twenty-five".

Divisors: 1 5 25 67 335 379 1675 1895 2237 9475 11185 25393 55925 126965 149879 634825 749395 847823 3746975 4239115 21195575 56804141 284020705 1420103525