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3076661620 = 2252934715287
BaseRepresentation
bin1011011101100010…
…0010000101110100
321221102021121022101
42313120202011310
522300111132440
61225143311444
7136146122644
oct26730420564
97842247271
103076661620
11133977145a
1271a44b584
133a0546246
14212880524
1513018869a
hexb7622174

3076661620 has 48 divisors (see below), whose sum is σ = 6703482240. Its totient is φ = 1184726144.

The previous prime is 3076661587. The next prime is 3076661639. The reversal of 3076661620 is 261666703.

It is a self number, because there is not a number n which added to its sum of digits gives 3076661620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193617 + ... + 208903.

It is an arithmetic number, because the mean of its divisors is an integer number (139655880).

Almost surely, 23076661620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3076661620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3351741120).

3076661620 is an abundant number, since it is smaller than the sum of its proper divisors (3626820620).

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

3076661620 is a wasteful number, since it uses less digits than its factorization.

3076661620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15672 (or 15670 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 3076661620 is about 55467.6628315995. The cubic root of 3076661620 is about 1454.4314086980.

The spelling of 3076661620 in words is "three billion, seventy-six million, six hundred sixty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 347 580 694 1388 1735 3470 6940 10063 15287 20126 30574 40252 50315 61148 76435 100630 152870 201260 305740 443323 886646 1773292 2216615 4433230 5304589 8866460 10609178 21218356 26522945 53045890 106091780 153833081 307666162 615332324 769165405 1538330810 3076661620