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1442406030 = 235134778691
BaseRepresentation
bin101010111111001…
…0101111010001110
310201112010211002120
41111332111322032
510423223443110
6355043433410
750513151252
oct12576257216
93645124076
101442406030
11680222aaa
12343085866
1319caa84c0
14d97d0262
158696e870
hex55f95e8e

1442406030 has 64 divisors (see below), whose sum is σ = 3807433728. Its totient is φ = 347495040.

The previous prime is 1442406029. The next prime is 1442406041. The reversal of 1442406030 is 306042441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21016 + ... + 57675.

It is an arithmetic number, because the mean of its divisors is an integer number (59491152).

Almost surely, 21442406030 is an apocalyptic number.

1442406030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1442406030 is an abundant number, since it is smaller than the sum of its proper divisors (2365027698).

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

1442406030 is a wasteful number, since it uses less digits than its factorization.

1442406030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78761.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1442406030 is about 37979.0209194497. The cubic root of 1442406030 is about 1129.8718182845.

Adding to 1442406030 its reverse (306042441), we get a palindrome (1748448471).

The spelling of 1442406030 in words is "one billion, four hundred forty-two million, four hundred six thousand, thirty".