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442234680 = 23353685289
BaseRepresentation
bin11010010110111…
…111011100111000
31010211010211221020
4122112333130320
51401203002210
6111514342440
713646634636
oct3226773470
91124124836
10442234680
112076a2508
1210412aa20
137080b334
1442a3a356
1528c57770
hex1a5bf738

442234680 has 32 divisors (see below), whose sum is σ = 1326704400. Its totient is φ = 117929216.

The previous prime is 442234669. The next prime is 442234687. The reversal of 442234680 is 86432244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442234687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1842525 + ... + 1842764.

Almost surely, 2442234680 is an apocalyptic number.

442234680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442234680 is an abundant number, since it is smaller than the sum of its proper divisors (884469720).

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

442234680 is a wasteful number, since it uses less digits than its factorization.

442234680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685303 (or 3685299 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 442234680 is about 21029.3765956102. The cubic root of 442234680 is about 761.8759520034.

The spelling of 442234680 in words is "four hundred forty-two million, two hundred thirty-four thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 3685289 7370578 11055867 14741156 18426445 22111734 29482312 36852890 44223468 55279335 73705780 88446936 110558670 147411560 221117340 442234680