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1442905494 = 23241799497
BaseRepresentation
bin101011000000000…
…1111110110010110
310201120002012020020
41112000033312112
510423340433434
6355102250010
750520331362
oct12600176626
93646065206
101442905494
11680534288
12343286906
1319cc21944
14d98c02a2
1586a1c849
hex5600fd96

1442905494 has 16 divisors (see below), whose sum is σ = 2887033968. Its totient is φ = 480764672.

The previous prime is 1442905459. The next prime is 1442905507. The reversal of 1442905494 is 4945092441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35247 + ... + 64250.

It is an arithmetic number, because the mean of its divisors is an integer number (180439623).

Almost surely, 21442905494 is an apocalyptic number.

1442905494 is an abundant number, since it is smaller than the sum of its proper divisors (1444128474).

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

1442905494 is a wasteful number, since it uses less digits than its factorization.

1442905494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101919.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 1442905494 is about 37985.5958752788. The cubic root of 1442905494 is about 1130.0022173450.

The spelling of 1442905494 in words is "one billion, four hundred forty-two million, nine hundred five thousand, four hundred ninety-four".

Divisors: 1 2 3 6 2417 4834 7251 14502 99497 198994 298491 596982 240484249 480968498 721452747 1442905494