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2252920 = 235151373
BaseRepresentation
bin1000100110000001111000
311020110102111
420212001320
51034043140
6120142104
725102165
oct10460170
94213374
102252920
1112a971a
12907934
1360b5b7
1442906c
152e77ea
hex226078

2252920 has 32 divisors (see below), whose sum is σ = 5116320. Its totient is φ = 892800.

The previous prime is 2252917. The next prime is 2252927. The reversal of 2252920 is 292522.

It is a junction number, because it is equal to n+sod(n) for n = 2252891 and 2252900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252927) 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, 5854 + ... + 6226.

It is an arithmetic number, because the mean of its divisors is an integer number (159885).

22252920 is an apocalyptic number.

2252920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2252920 is an abundant number, since it is smaller than the sum of its proper divisors (2863400).

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

2252920 is a wasteful number, since it uses less digits than its factorization.

2252920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2252920 is about 1500.9730177455. The cubic root of 2252920 is about 131.0937308720.

The spelling of 2252920 in words is "two million, two hundred fifty-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 151 302 373 604 746 755 1208 1492 1510 1865 2984 3020 3730 6040 7460 14920 56323 112646 225292 281615 450584 563230 1126460 2252920