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1142353030 = 257131255333
BaseRepresentation
bin100010000010110…
…1110110010000110
32221121112112202111
41010011232302012
54314420244110
6305204331234
740210561210
oct10405566206
92847475674
101142353030
11536912815
1227a6a3b1a
1315288c550
14aba055b0
156a44ee8a
hex4416ec86

1142353030 has 32 divisors (see below), whose sum is σ = 2530753344. Its totient is φ = 361535616.

The previous prime is 1142353019. The next prime is 1142353031. The reversal of 1142353030 is 303532411.

It is a junction number, because it is equal to n+sod(n) for n = 1142352992 and 1142353010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142353031) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 626757 + ... + 628576.

It is an arithmetic number, because the mean of its divisors is an integer number (79086042).

Almost surely, 21142353030 is an apocalyptic number.

1142353030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142353030 is an abundant number, since it is smaller than the sum of its proper divisors (1388400314).

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

1142353030 is a wasteful number, since it uses less digits than its factorization.

1142353030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255360.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1142353030 is about 33798.7134370526. The cubic root of 1142353030 is about 1045.3621692865.

Adding to 1142353030 its reverse (303532411), we get a palindrome (1445885441).

The spelling of 1142353030 in words is "one billion, one hundred forty-two million, three hundred fifty-three thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 1255333 2510666 6276665 8787331 12553330 16319329 17574662 32638658 43936655 81596645 87873310 114235303 163193290 228470606 571176515 1142353030