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3980571 = 373747109
BaseRepresentation
bin1111001011110100011011
321111020022120
433023310123
52004334241
6221152323
745556110
oct17136433
97436276
103980571
112279731
1213bb6a3
13a94a8a
14758907
15539666
hex3cbd1b

3980571 has 32 divisors (see below), whose sum is σ = 6420480. Its totient is φ = 2146176.

The previous prime is 3980551. The next prime is 3980579. The reversal of 3980571 is 1750893.

It is not a de Polignac number, because 3980571 - 211 = 3978523 is a prime.

3980571 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3980579) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36465 + ... + 36573.

It is an arithmetic number, because the mean of its divisors is an integer number (200640).

Almost surely, 23980571 is an apocalyptic number.

3980571 is a deficient number, since it is larger than the sum of its proper divisors (2439909).

3980571 is a wasteful number, since it uses less digits than its factorization.

3980571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 3980571 is about 1995.1368374124. The cubic root of 3980571 is about 158.4826744854.

The spelling of 3980571 in words is "three million, nine hundred eighty thousand, five hundred seventy-one".

Divisors: 1 3 7 21 37 47 109 111 141 259 327 329 763 777 987 1739 2289 4033 5123 5217 12099 12173 15369 28231 35861 36519 84693 107583 189551 568653 1326857 3980571