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3970569980 = 2251317898319
BaseRepresentation
bin1110110010101010…
…0001011011111100
3101020201022212001102
43230222201123330
531112431214410
61453555032232
7200252200526
oct35452413374
911221285042
103970569980
111758312aa3
1292989b678
134b37b8cc0
14299492a16
151838b02a5
hexecaa16fc

3970569980 has 48 divisors (see below), whose sum is σ = 9507818880. Its totient is φ = 1379816448.

The previous prime is 3970569979. The next prime is 3970569983. The reversal of 3970569980 is 899650793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970569983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444740 + ... + 453579.

It is an arithmetic number, because the mean of its divisors is an integer number (198079560).

Almost surely, 23970569980 is an apocalyptic number.

It is an amenable number.

3970569980 is an abundant number, since it is smaller than the sum of its proper divisors (5537248900).

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

3970569980 is a wasteful number, since it uses less digits than its factorization.

3970569980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898358 (or 898356 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 56.

The square root of 3970569980 is about 63012.4589267869. The cubic root of 3970569980 is about 1583.4983611799.

The spelling of 3970569980 in words is "three billion, nine hundred seventy million, five hundred sixty-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 13 17 20 26 34 52 65 68 85 130 170 221 260 340 442 884 1105 2210 4420 898319 1796638 3593276 4491595 8983190 11678147 15271423 17966380 23356294 30542846 46712588 58390735 61085692 76357115 116781470 152714230 198528499 233562940 305428460 397056998 794113996 992642495 1985284990 3970569980