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412887820 = 22520644391
BaseRepresentation
bin11000100111000…
…010101100001100
31001202220212121111
4120213002230030
51321144402240
6104545341404
713142326402
oct3047025414
91052825544
10412887820
111a2078804
12b6337864
1367704727
143cb9b472
15263ac1ea
hex189c2b0c

412887820 has 12 divisors (see below), whose sum is σ = 867064464. Its totient is φ = 165155120.

The previous prime is 412887793. The next prime is 412887829. The reversal of 412887820 is 28788214.

It is not an unprimeable number, because it can be changed into a prime (412887829) 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, 10322176 + ... + 10322215.

It is an arithmetic number, because the mean of its divisors is an integer number (72255372).

Almost surely, 2412887820 is an apocalyptic number.

It is an amenable number.

412887820 is an abundant number, since it is smaller than the sum of its proper divisors (454176644).

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

412887820 is a wasteful number, since it uses less digits than its factorization.

412887820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20644400 (or 20644398 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 412887820 is about 20319.6412369904. The cubic root of 412887820 is about 744.6359917158.

The spelling of 412887820 in words is "four hundred twelve million, eight hundred eighty-seven thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 20644391 41288782 82577564 103221955 206443910 412887820