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2053380 = 223574889
BaseRepresentation
bin111110101010100000100
310212022201010
413311110010
51011202010
6112002220
723311350
oct7652404
93768633
102053380
11118280a
12830370
1356b824
143b6460
152a8620
hex1f5504

2053380 has 48 divisors (see below), whose sum is σ = 6572160. Its totient is φ = 469248.

The previous prime is 2053361. The next prime is 2053397. The reversal of 2053380 is 833502.

2053380 = T671 + T672 + ... + T679.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2025 + ... + 2864.

It is an arithmetic number, because the mean of its divisors is an integer number (136920).

22053380 is an apocalyptic number.

2053380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2053380 is an abundant number, since it is smaller than the sum of its proper divisors (4518780).

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

2053380 is a wasteful number, since it uses less digits than its factorization.

2053380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908 (or 4906 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2053380 is about 1432.9619673948. The cubic root of 2053380 is about 127.1031876770.

Adding to 2053380 its reverse (833502), we get a palindrome (2886882).

The spelling of 2053380 in words is "two million, fifty-three thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 4889 9778 14667 19556 24445 29334 34223 48890 58668 68446 73335 97780 102669 136892 146670 171115 205338 293340 342230 410676 513345 684460 1026690 2053380