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421472088 = 23325853779
BaseRepresentation
bin11001000111110…
…010011101011000
31002101002000000100
4121013302131120
51330344101323
6105453335400
713305311412
oct3107623530
91071060010
10421472088
111a6a01244
12b9197560
136941ba8b
143dd939b2
1527005943
hex191f2758

421472088 has 24 divisors (see below), whose sum is σ = 1141487100. Its totient is φ = 140490672.

The previous prime is 421472039. The next prime is 421472089. The reversal of 421472088 is 880274124.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421472089) 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, 2926818 + ... + 2926961.

Almost surely, 2421472088 is an apocalyptic number.

It is an amenable number.

421472088 is an abundant number, since it is smaller than the sum of its proper divisors (720015012).

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

421472088 is a wasteful number, since it uses less digits than its factorization.

421472088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5853791 (or 5853784 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 421472088 is about 20529.7853861164. The cubic root of 421472088 is about 749.7611612828.

The spelling of 421472088 in words is "four hundred twenty-one million, four hundred seventy-two thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 5853779 11707558 17561337 23415116 35122674 46830232 52684011 70245348 105368022 140490696 210736044 421472088