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20088480 = 253541851
BaseRepresentation
bin100110010100…
…0011010100000
31101210121012210
41030220122200
520120312410
61554322120
7332514666
oct114503240
941717183
1020088480
1110380855
126889340
134214799
14294cc36
151b6c220
hex13286a0

20088480 has 48 divisors (see below), whose sum is σ = 63280224. Its totient is φ = 5356800.

The previous prime is 20088473. The next prime is 20088511. The reversal of 20088480 is 8488002.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20446 + ... + 21405.

It is an arithmetic number, because the mean of its divisors is an integer number (1318338).

Almost surely, 220088480 is an apocalyptic number.

20088480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20088480 is an abundant number, since it is smaller than the sum of its proper divisors (43191744).

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

20088480 is a wasteful number, since it uses less digits than its factorization.

20088480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41869 (or 41861 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 20088480 is about 4482.0174029113. The cubic root of 20088480 is about 271.8414589353.

The spelling of 20088480 in words is "twenty million, eighty-eight thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 41851 83702 125553 167404 209255 251106 334808 418510 502212 627765 669616 837020 1004424 1255530 1339232 1674040 2008848 2511060 3348080 4017696 5022120 6696160 10044240 20088480