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2555050040 = 235233274147
BaseRepresentation
bin1001100001001010…
…1111100000111000
320121001202222201222
42120102233200320
520213043100130
61101311331212
7120213365324
oct23022574070
96531688658
102555050040
1110a1293a04
125b3820b08
1331946533a
141a34a0984
15ee4a1ce5
hex984af838

2555050040 has 32 divisors (see below), whose sum is σ = 5773556880. Its totient is φ = 1017629952.

The previous prime is 2555050031. The next prime is 2555050073. The reversal of 2555050040 is 400505552.

It is a junction number, because it is equal to n+sod(n) for n = 2555049991 and 2555050009.

It is a congruent number.

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, 127754 + ... + 146393.

Almost surely, 22555050040 is an apocalyptic number.

2555050040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555050040 is an abundant number, since it is smaller than the sum of its proper divisors (3218506840).

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

2555050040 is a wasteful number, since it uses less digits than its factorization.

2555050040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274391 (or 274387 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 2555050040 is about 50547.5028067658. The cubic root of 2555050040 is about 1367.0984892294.

Adding to 2555050040 its reverse (400505552), we get a palindrome (2955555592).

The spelling of 2555050040 in words is "two billion, five hundred fifty-five million, fifty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 233 466 932 1165 1864 2330 4660 9320 274147 548294 1096588 1370735 2193176 2741470 5482940 10965880 63876251 127752502 255505004 319381255 511010008 638762510 1277525020 2555050040