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89074780 = 22531143669
BaseRepresentation
bin1010100111100…
…10110001011100
320012121110121221
411103302301130
5140300343110
612501103124
72131060144
oct523626134
9205543557
1089074780
114630a223
12259b7aa4
13155b9a92
14bb89924
157c477da
hex54f2c5c

89074780 has 24 divisors (see below), whose sum is σ = 193092480. Its totient is φ = 34480320.

The previous prime is 89074771. The next prime is 89074807. The reversal of 89074780 is 8747098.

It is a congruent number.

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, 71215 + ... + 72454.

It is an arithmetic number, because the mean of its divisors is an integer number (8045520).

Almost surely, 289074780 is an apocalyptic number.

It is an amenable number.

89074780 is an abundant number, since it is smaller than the sum of its proper divisors (104017700).

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

89074780 is a wasteful number, since it uses less digits than its factorization.

89074780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143709 (or 143707 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 89074780 is about 9437.9436319571. The cubic root of 89074780 is about 446.5995208589.

The spelling of 89074780 in words is "eighty-nine million, seventy-four thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 143669 287338 574676 718345 1436690 2873380 4453739 8907478 17814956 22268695 44537390 89074780