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2997490740 = 2235110345293
BaseRepresentation
bin1011001010101010…
…0001010000110100
321201220022022021120
42302222201100310
522114324200430
61213234343540
7134165152026
oct26252412064
97656268246
102997490740
1112a9007182
126b7a2abb0
1338a01637a
14206152016
1512824a610
hexb2aa1434

2997490740 has 48 divisors (see below), whose sum is σ = 8400768768. Its totient is φ = 798588544.

The previous prime is 2997490729. The next prime is 2997490757. The reversal of 2997490740 is 470947992.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43534 + ... + 88826.

It is an arithmetic number, because the mean of its divisors is an integer number (175016016).

Almost surely, 22997490740 is an apocalyptic number.

2997490740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2997490740 is an abundant number, since it is smaller than the sum of its proper divisors (5403278028).

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

2997490740 is a wasteful number, since it uses less digits than its factorization.

2997490740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46408 (or 46406 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 2997490740 is about 54749.3446536121. The cubic root of 2997490740 is about 1441.8473493495.

The spelling of 2997490740 in words is "two billion, nine hundred ninety-seven million, four hundred ninety thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1103 2206 3309 4412 5515 6618 11030 13236 16545 22060 33090 45293 66180 90586 135879 181172 226465 271758 452930 543516 679395 905860 1358790 2717580 49958179 99916358 149874537 199832716 249790895 299749074 499581790 599498148 749372685 999163580 1498745370 2997490740