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2442920 = 235157389
BaseRepresentation
bin1001010100011010101000
311121010001112
421110122220
51111133140
6124205452
726523134
oct11243250
94533045
102442920
111419447
12999888
13676c1c
144783c4
15333c65
hex2546a8

2442920 has 32 divisors (see below), whose sum is σ = 5545800. Its totient is φ = 968448.

The previous prime is 2442911. The next prime is 2442941. The reversal of 2442920 is 292442.

It can be written as a sum of positive squares in 4 ways, for example, as 1406596 + 1036324 = 1186^2 + 1018^2 .

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6086 + ... + 6474.

22442920 is an apocalyptic number.

2442920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2442920 is an abundant number, since it is smaller than the sum of its proper divisors (3102880).

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

2442920 is a wasteful number, since it uses less digits than its factorization.

2442920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2442920 is about 1562.9843249374. The cubic root of 2442920 is about 134.6799919283.

The spelling of 2442920 in words is "two million, four hundred forty-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 157 314 389 628 778 785 1256 1556 1570 1945 3112 3140 3890 6280 7780 15560 61073 122146 244292 305365 488584 610730 1221460 2442920