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2040143430 = 2351319275323
BaseRepresentation
bin111100110011010…
…0001111001000110
312021011220000122210
41321212201321012
513134234042210
6534235204250
7101361635013
oct17146417106
95234800583
102040143430
11957675a56
1248b2a6686
13266891280
14154d4870a
15be191e20
hex799a1e46

2040143430 has 64 divisors (see below), whose sum is σ = 5550531840. Its totient is φ = 475756416.

The previous prime is 2040143393. The next prime is 2040143431. The reversal of 2040143430 is 343410402.

It is a junction number, because it is equal to n+sod(n) for n = 2040143397 and 2040143406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040143431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130252 + ... + 145071.

It is an arithmetic number, because the mean of its divisors is an integer number (86727060).

Almost surely, 22040143430 is an apocalyptic number.

2040143430 is an abundant number, since it is smaller than the sum of its proper divisors (3510388410).

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

2040143430 is a wasteful number, since it uses less digits than its factorization.

2040143430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275365.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2040143430 is about 45167.9469314247. The cubic root of 2040143430 is about 1268.2948637904.

Adding to 2040143430 its reverse (343410402), we get a palindrome (2383553832).

The spelling of 2040143430 in words is "two billion, forty million, one hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 19 26 30 38 39 57 65 78 95 114 130 190 195 247 285 390 494 570 741 1235 1482 2470 3705 7410 275323 550646 825969 1376615 1651938 2753230 3579199 4129845 5231137 7158398 8259690 10462274 10737597 15693411 17895995 21475194 26155685 31386822 35791990 52311370 53687985 68004781 78467055 107375970 136009562 156934110 204014343 340023905 408028686 680047810 1020071715 2040143430