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2230142040 = 233257884977
BaseRepresentation
bin1000010011101101…
…0100010001011000
312202102101221202100
42010323110101120
514031404021130
61005143403400
7106156615560
oct20473242130
95672357670
102230142040
11a449477a5
12522a53560
13297056199
14172285da0
15d0bc2c60
hex84ed4458

2230142040 has 96 divisors (see below), whose sum is σ = 8283394080. Its totient is φ = 509746176.

The previous prime is 2230142017. The next prime is 2230142111. The reversal of 2230142040 is 402410322.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 439969 + ... + 445008.

It is an arithmetic number, because the mean of its divisors is an integer number (86285355).

Almost surely, 22230142040 is an apocalyptic number.

2230142040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2230142040 is an abundant number, since it is smaller than the sum of its proper divisors (6053252040).

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

2230142040 is a wasteful number, since it uses less digits than its factorization.

2230142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885001 (or 884994 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2230142040 is about 47224.3797206485. The cubic root of 2230142040 is about 1306.5042942876.

Adding to 2230142040 its reverse (402410322), we get a palindrome (2632552362).

The spelling of 2230142040 in words is "two billion, two hundred thirty million, one hundred forty-two thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 168 180 210 252 280 315 360 420 504 630 840 1260 2520 884977 1769954 2654931 3539908 4424885 5309862 6194839 7079816 7964793 8849770 10619724 12389678 13274655 15929586 17699540 18584517 21239448 24779356 26549310 30974195 31859172 35399080 37169034 39823965 49558712 53098620 55753551 61948390 63718344 74338068 79647930 92922585 106197240 111507102 123896780 148676136 159295860 185845170 223014204 247793560 278767755 318591720 371690340 446028408 557535510 743380680 1115071020 2230142040