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2454990 = 235195973
BaseRepresentation
bin1001010111010111001110
311121201121120
421113113032
51112024430
6124341410
726603256
oct11272716
94551546
102454990
11142751a
129a4866
1367c575
1447c966
15337610
hex2575ce

2454990 has 64 divisors (see below), whose sum is σ = 6393600. Its totient is φ = 601344.

The previous prime is 2454961. The next prime is 2455001. The reversal of 2454990 is 994542.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 33594 + ... + 33666.

It is an arithmetic number, because the mean of its divisors is an integer number (99900).

22454990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2454990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3196800).

2454990 is an abundant number, since it is smaller than the sum of its proper divisors (3938610).

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

2454990 is a wasteful number, since it uses less digits than its factorization.

2454990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2454990 is about 1566.8407704678. The cubic root of 2454990 is about 134.9014369733.

The spelling of 2454990 in words is "two million, four hundred fifty-four thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 59 73 95 114 118 146 177 190 219 285 295 354 365 438 570 590 730 885 1095 1121 1387 1770 2190 2242 2774 3363 4161 4307 5605 6726 6935 8322 8614 11210 12921 13870 16815 20805 21535 25842 33630 41610 43070 64605 81833 129210 163666 245499 409165 490998 818330 1227495 2454990