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2696647380 = 223572917227
BaseRepresentation
bin1010000010111011…
…1001001011010100
320221221012212202220
42200232321023110
521010320204010
61123330302340
7123553060500
oct24056711324
96857185686
102696647380
1111642070a9
126331279b0
1333c8b174b
141b81dd300
1510bb21970
hexa0bb92d4

2696647380 has 72 divisors (see below), whose sum is σ = 8783375328. Its totient is φ = 616375872.

The previous prime is 2696647337. The next prime is 2696647381. The reversal of 2696647380 is 837466962.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2696647381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 455674 + ... + 461553.

It is an arithmetic number, because the mean of its divisors is an integer number (121991324).

Almost surely, 22696647380 is an apocalyptic number.

2696647380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2696647380 is an abundant number, since it is smaller than the sum of its proper divisors (6086727948).

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

2696647380 is a wasteful number, since it uses less digits than its factorization.

2696647380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917253 (or 917244 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The square root of 2696647380 is about 51929.2536052657. The cubic root of 2696647380 is about 1391.9000601224.

The spelling of 2696647380 in words is "two billion, six hundred ninety-six million, six hundred forty-seven thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1470 2940 917227 1834454 2751681 3668908 4586135 5503362 6420589 9172270 11006724 12841178 13758405 18344540 19261767 25682356 27516810 32102945 38523534 44944123 55033620 64205890 77047068 89888246 96308835 128411780 134832369 179776492 192617670 224720615 269664738 385235340 449441230 539329476 674161845 898882460 1348323690 2696647380