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2790372 = 2231331577
BaseRepresentation
bin1010101001001111100100
312020202200010
422221033210
51203242442
6135450220
732501124
oct12511744
95222603
102790372
1116364a2
12b26970
13769110
14528c84
153a1b9c
hex2a93e4

2790372 has 48 divisors (see below), whose sum is σ = 7250432. Its totient is φ = 829440.

The previous prime is 2790331. The next prime is 2790391. The reversal of 2790372 is 2730972.

2790372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4548 + ... + 5124.

22790372 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 2790372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3625216).

2790372 is an abundant number, since it is smaller than the sum of its proper divisors (4460060).

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

2790372 is a wasteful number, since it uses less digits than its factorization.

2790372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 2790372 is about 1670.4406604247. The cubic root of 2790372 is about 140.7842381848.

The spelling of 2790372 in words is "two million, seven hundred ninety thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 31 39 52 62 78 93 124 156 186 372 403 577 806 1154 1209 1612 1731 2308 2418 3462 4836 6924 7501 15002 17887 22503 30004 35774 45006 53661 71548 90012 107322 214644 232531 465062 697593 930124 1395186 2790372