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2049740 = 2257114
BaseRepresentation
bin111110100011011001100
310212010201022
413310123030
51011042430
6111533312
723264630
oct7643314
93763638
102049740
111180000
1282a238
13569c84
143b4dc0
152a74e5
hex1f46cc

2049740 has 60 divisors (see below), whose sum is σ = 5411280. Its totient is φ = 638880.

The previous prime is 2049727. The next prime is 2049787. The reversal of 2049740 is 479402.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 186335 + ... + 186345.

It is an arithmetic number, because the mean of its divisors is an integer number (90188).

22049740 is an apocalyptic number.

2049740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2049740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2705640).

2049740 is an abundant number, since it is smaller than the sum of its proper divisors (3361540).

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

2049740 is an equidigital number, since it uses as much as digits as its factorization.

2049740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2049740 is about 1431.6913075101. The cubic root of 2049740 is about 127.0280385321.

The spelling of 2049740 in words is "two million, forty-nine thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 121 140 154 220 242 308 385 484 605 770 847 1210 1331 1540 1694 2420 2662 3388 4235 5324 6655 8470 9317 13310 14641 16940 18634 26620 29282 37268 46585 58564 73205 93170 102487 146410 186340 204974 292820 409948 512435 1024870 2049740