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2740992 = 2834383
BaseRepresentation
bin1010011101001100000000
312011020221020
422131030000
51200202432
6134425440
732204142
oct12351400
95136836
102740992
111602391
12b02280
1374c7b7
14514c92
1539222c
hex29d300

2740992 has 72 divisors (see below), whose sum is σ = 7554624. Its totient is φ = 881664.

The previous prime is 2740987. The next prime is 2740999. The reversal of 2740992 is 2990472.

It is not an unprimeable number, because it can be changed into a prime (2740999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32983 + ... + 33065.

22740992 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 2740992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3777312).

2740992 is an abundant number, since it is smaller than the sum of its proper divisors (4813632).

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

2740992 is an equidigital number, since it uses as much as digits as its factorization.

2740992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 2740992 is about 1655.5941531668. The cubic root of 2740992 is about 139.9488248333.

The spelling of 2740992 in words is "two million, seven hundred forty thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 43 48 64 83 86 96 128 129 166 172 192 249 256 258 332 344 384 498 516 664 688 768 996 1032 1328 1376 1992 2064 2656 2752 3569 3984 4128 5312 5504 7138 7968 8256 10624 10707 11008 14276 15936 16512 21248 21414 28552 31872 33024 42828 57104 63744 85656 114208 171312 228416 342624 456832 685248 913664 1370496 2740992