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42488400 = 2435235407
BaseRepresentation
bin1010001000010…
…1001001010000
32221221122010110
42202011021100
541334112100
64114401320
71024100613
oct242051120
987848113
1042488400
1121a90189
1212290240
138a58386
14590017a
153ae4250
hex2885250

42488400 has 60 divisors (see below), whose sum is σ = 136108352. Its totient is φ = 11329920.

The previous prime is 42488399. The next prime is 42488401. The reversal of 42488400 is 488424.

It is an interprime number because it is at equal distance from previous prime (42488399) and next prime (42488401).

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42488401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16504 + ... + 18903.

Almost surely, 242488400 is an apocalyptic number.

42488400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42488400 is an abundant number, since it is smaller than the sum of its proper divisors (93619952).

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

42488400 is a wasteful number, since it uses less digits than its factorization.

42488400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35428 (or 35417 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 42488400 is about 6518.3126650998. The cubic root of 42488400 is about 348.9448494282.

The spelling of 42488400 in words is "forty-two million, four hundred eighty-eight thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 35407 70814 106221 141628 177035 212442 283256 354070 424884 531105 566512 708140 849768 885175 1062210 1416280 1699536 1770350 2124420 2655525 2832560 3540700 4248840 5311050 7081400 8497680 10622100 14162800 21244200 42488400