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42210800 = 2452105527
BaseRepresentation
bin1010000100000…
…1010111110000
32221102112022222
42201001113300
541301221200
64104420212
71021533362
oct241012760
987375288
1042210800
1121910665
1212177668
13898bc08
14586ad32
153a8bd85
hex28415f0

42210800 has 30 divisors (see below), whose sum is σ = 101412408. Its totient is φ = 16884160.

The previous prime is 42210797. The next prime is 42210803. The reversal of 42210800 is 801224.

It is an interprime number because it is at equal distance from previous prime (42210797) and next prime (42210803).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42210803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52364 + ... + 53163.

Almost surely, 242210800 is an apocalyptic number.

42210800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42210800 is an abundant number, since it is smaller than the sum of its proper divisors (59201608).

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

42210800 is a wasteful number, since it uses less digits than its factorization.

42210800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105545 (or 105534 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 42210800 is about 6496.9839156335. The cubic root of 42210800 is about 348.1832390340.

The spelling of 42210800 in words is "forty-two million, two hundred ten thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 105527 211054 422108 527635 844216 1055270 1688432 2110540 2638175 4221080 5276350 8442160 10552700 21105400 42210800