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42404480 = 275591123
BaseRepresentation
bin1010000111000…
…0101010000000
32221210101000022
42201300222000
541323420410
64112513012
71023301136
oct241605200
987711008
1042404480
1121a33128
121224b768
138a29111
1458bb756
153ac9455
hex2870a80

42404480 has 64 divisors (see below), whose sum is σ = 103183200. Its totient is φ = 16659456.

The previous prime is 42404471. The next prime is 42404489. The reversal of 42404480 is 8440424.

It is an interprime number because it is at equal distance from previous prime (42404471) and next prime (42404489).

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (42404489) 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, 37199 + ... + 38321.

Almost surely, 242404480 is an apocalyptic number.

42404480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42404480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51591600).

42404480 is an abundant number, since it is smaller than the sum of its proper divisors (60778720).

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

42404480 is a wasteful number, since it uses less digits than its factorization.

42404480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 42404480 is about 6511.8722346189. The cubic root of 42404480 is about 348.7149611728.

The spelling of 42404480 in words is "forty-two million, four hundred four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 59 64 80 118 128 160 236 295 320 472 590 640 944 1123 1180 1888 2246 2360 3776 4492 4720 5615 7552 8984 9440 11230 17968 18880 22460 35936 37760 44920 66257 71872 89840 132514 143744 179680 265028 331285 359360 530056 662570 718720 1060112 1325140 2120224 2650280 4240448 5300560 8480896 10601120 21202240 42404480