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89405002 = 2231943587
BaseRepresentation
bin1010101010000…
…11011001001010
320020020020121101
411111003121022
5140341430002
612512132014
72133633661
oct525033112
9206206541
1089405002
1146515335
1225b3700a
13156a418b
14bc33dd8
157cb0587
hex554364a

89405002 has 8 divisors (see below), whose sum is σ = 139938336. Its totient is φ = 42758892.

The previous prime is 89404949. The next prime is 89405003. The reversal of 89405002 is 20050498.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (89405003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971748 + ... + 971839.

It is an arithmetic number, because the mean of its divisors is an integer number (17492292).

Almost surely, 289405002 is an apocalyptic number.

89405002 is a deficient number, since it is larger than the sum of its proper divisors (50533334).

89405002 is a wasteful number, since it uses less digits than its factorization.

89405002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943612.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 89405002 is about 9455.4218308862. The cubic root of 89405002 is about 447.1507248285.

The spelling of 89405002 in words is "eighty-nine million, four hundred five thousand, two".

Divisors: 1 2 23 46 1943587 3887174 44702501 89405002