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89419442 = 2741155783
BaseRepresentation
bin1010101010001…
…10111010110010
320020020222102012
411111012322302
5140342410232
612512322522
72134024040
oct525067262
9206228365
1089419442
1146525172
1225b43442
13156aa918
14bc39390
157cb49b2
hex5546eb2

89419442 has 16 divisors (see below), whose sum is σ = 157030272. Its totient is φ = 37387680.

The previous prime is 89419433. The next prime is 89419481. The reversal of 89419442 is 24491498.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 89419442.

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, 77318 + ... + 78465.

It is an arithmetic number, because the mean of its divisors is an integer number (9814392).

Almost surely, 289419442 is an apocalyptic number.

89419442 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

89419442 is a deficient number, since it is larger than the sum of its proper divisors (67610830).

89419442 is a wasteful number, since it uses less digits than its factorization.

89419442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155833.

The product of its digits is 82944, while the sum is 41.

The square root of 89419442 is about 9456.1853831236. The cubic root of 89419442 is about 447.1747969674.

The spelling of 89419442 in words is "eighty-nine million, four hundred nineteen thousand, four hundred forty-two".

Divisors: 1 2 7 14 41 82 287 574 155783 311566 1090481 2180962 6387103 12774206 44709721 89419442