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2054002440 = 233572445241
BaseRepresentation
bin111101001101101…
…1001011100001000
312022010222010122110
41322123121130020
513201311034230
6535452222320
7101620506210
oct17233313410
95263863573
102054002440
11964481486
12493a6a9a0
13269704479
14156b15240
15c04cd4b0
hex7a6d9708

2054002440 has 64 divisors (see below), whose sum is σ = 7042296960. Its totient is φ = 469486080.

The previous prime is 2054002427. The next prime is 2054002453. The reversal of 2054002440 is 442004502.

It is an interprime number because it is at equal distance from previous prime (2054002427) and next prime (2054002453).

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, 1221781 + ... + 1223460.

It is an arithmetic number, because the mean of its divisors is an integer number (110035890).

Almost surely, 22054002440 is an apocalyptic number.

2054002440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2054002440 is an abundant number, since it is smaller than the sum of its proper divisors (4988294520).

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

2054002440 is a wasteful number, since it uses less digits than its factorization.

2054002440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445262 (or 2445258 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2054002440 is about 45321.1036935333. The cubic root of 2054002440 is about 1271.1602928706.

Adding to 2054002440 its reverse (442004502), we get a palindrome (2496006942).

The spelling of 2054002440 in words is "two billion, fifty-four million, two thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 2445241 4890482 7335723 9780964 12226205 14671446 17116687 19561928 24452410 29342892 34233374 36678615 48904820 51350061 58685784 68466748 73357230 85583435 97809640 102700122 136933496 146714460 171166870 205400244 256750305 293428920 342333740 410800488 513500610 684667480 1027001220 2054002440