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2097917420 = 225293617099
BaseRepresentation
bin111110100001011…
…1010110111101100
312102012121020200012
41331002322313230
513244031324140
6544101352352
7102663001214
oct17502726754
95365536605
102097917420
11987246455
124a67086b8
1327583bc71
1415c8a7244
15c42a5265
hex7d0badec

2097917420 has 24 divisors (see below), whose sum is σ = 4557546000. Its totient is φ = 810229952.

The previous prime is 2097917413. The next prime is 2097917483. The reversal of 2097917420 is 247197902.

It is a super-2 number, since 2×20979174202 = 8802515002278912800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1807970 + ... + 1809129.

It is an arithmetic number, because the mean of its divisors is an integer number (189897750).

Almost surely, 22097917420 is an apocalyptic number.

2097917420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2097917420 is an abundant number, since it is smaller than the sum of its proper divisors (2459628580).

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

2097917420 is a wasteful number, since it uses less digits than its factorization.

2097917420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617137 (or 3617135 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 2097917420 is about 45803.0285024910. The cubic root of 2097917420 is about 1280.1557061559.

The spelling of 2097917420 in words is "two billion, ninety-seven million, nine hundred seventeen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 3617099 7234198 14468396 18085495 36170990 72341980 104895871 209791742 419583484 524479355 1048958710 2097917420