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2754090 = 232571431
BaseRepresentation
bin1010100000011000101010
312011220220100
422200120222
51201112330
6135010230
732260263
oct12403052
95156810
102754090
111611209
12b09976
13755751
1451996a
15396060
hex2a062a

2754090 has 48 divisors (see below), whose sum is σ = 7278336. Its totient is φ = 722400.

The previous prime is 2754083. The next prime is 2754091. The reversal of 2754090 is 904572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2754091) 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, 6175 + ... + 6605.

It is an arithmetic number, because the mean of its divisors is an integer number (151632).

22754090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2754090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3639168).

2754090 is an abundant number, since it is smaller than the sum of its proper divisors (4524246).

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

2754090 is a wasteful number, since it uses less digits than its factorization.

2754090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2754090 is about 1659.5451183984. The cubic root of 2754090 is about 140.1713887388.

The spelling of 2754090 in words is "two million, seven hundred fifty-four thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 71 90 142 213 355 426 431 639 710 862 1065 1278 1293 2130 2155 2586 3195 3879 4310 6390 6465 7758 12930 19395 30601 38790 61202 91803 153005 183606 275409 306010 459015 550818 918030 1377045 2754090