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2071506340 = 225103575317
BaseRepresentation
bin111101101111000…
…1010110110100100
312100100220102111001
41323132022312210
513220301200330
6541315323044
7102222341041
oct17336126644
95310812431
102071506340
11973347412
124998b0484
132702226c7
141591901c8
15c1cd99ca
hex7b78ada4

2071506340 has 12 divisors (see below), whose sum is σ = 4350163356. Its totient is φ = 828602528.

The previous prime is 2071506329. The next prime is 2071506361. The reversal of 2071506340 is 436051702.

It can be written as a sum of positive squares in 2 ways, for example, as 959017024 + 1112489316 = 30968^2 + 33354^2 .

It is a super-2 number, since 2×20715063402 = 8582277033320391200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2071506299 and 2071506308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51787639 + ... + 51787678.

It is an arithmetic number, because the mean of its divisors is an integer number (362513613).

Almost surely, 22071506340 is an apocalyptic number.

2071506340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2071506340 is an abundant number, since it is smaller than the sum of its proper divisors (2278657016).

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

2071506340 is a wasteful number, since it uses less digits than its factorization.

2071506340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103575326 (or 103575324 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2071506340 is about 45513.8038401538. The cubic root of 2071506340 is about 1274.7609630057.

The spelling of 2071506340 in words is "two billion, seventy-one million, five hundred six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 103575317 207150634 414301268 517876585 1035753170 2071506340