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2054533440 = 26352140139
BaseRepresentation
bin111101001110101…
…1011000101000000
312022011222010001010
41322131123011000
513201430032230
6535511440520
7101625150261
oct17235330500
95264863033
102054533440
11964804423
12494086140
1326985c07b
14156c12968
15c05859b0
hex7a75b140

2054533440 has 56 divisors (see below), whose sum is σ = 6523146720. Its totient is φ = 547875328.

The previous prime is 2054533433. The next prime is 2054533451. The reversal of 2054533440 is 443354502.

It is a super-2 number, since 2×20545334402 = 8442215312156467200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2054533398 and 2054533407.

It is a congruent number.

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, 1069110 + ... + 1071029.

Almost surely, 22054533440 is an apocalyptic number.

2054533440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2054533440 is an abundant number, since it is smaller than the sum of its proper divisors (4468613280).

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

2054533440 is a wasteful number, since it uses less digits than its factorization.

2054533440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140159 (or 2140149 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 2054533440 is about 45326.9615129892. The cubic root of 2054533440 is about 1271.2698234055.

Adding to 2054533440 its reverse (443354502), we get a palindrome (2497887942).

The spelling of 2054533440 in words is "two billion, fifty-four million, five hundred thirty-three thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 2140139 4280278 6420417 8560556 10700695 12840834 17121112 21401390 25681668 32102085 34242224 42802780 51363336 64204170 68484448 85605560 102726672 128408340 136968896 171211120 205453344 256816680 342422240 410906688 513633360 684844480 1027266720 2054533440