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427315420 = 22573052253
BaseRepresentation
bin11001011110000…
…101000011011100
31002210001212120001
4121132011003130
51333343043140
6110222504044
713406056360
oct3136050334
91083055501
10427315420
111aa232444
12bb135024
136a6b667c
1440a752a0
15277abe9a
hex197850dc

427315420 has 24 divisors (see below), whose sum is σ = 1025557344. Its totient is φ = 146508096.

The previous prime is 427315411. The next prime is 427315463. The reversal of 427315420 is 24513724.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 1525987 + ... + 1526266.

It is an arithmetic number, because the mean of its divisors is an integer number (42731556).

Almost surely, 2427315420 is an apocalyptic number.

It is an amenable number.

427315420 is an abundant number, since it is smaller than the sum of its proper divisors (598241924).

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

427315420 is a wasteful number, since it uses less digits than its factorization.

427315420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052269 (or 3052267 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 427315420 is about 20671.6090326805. The cubic root of 427315420 is about 753.2101925402.

The spelling of 427315420 in words is "four hundred twenty-seven million, three hundred fifteen thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 3052253 6104506 12209012 15261265 21365771 30522530 42731542 61045060 85463084 106828855 213657710 427315420