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4215020 = 225732887
BaseRepresentation
bin10000000101000011101100
321221010220212
4100011003230
52034340040
6230201552
750553455
oct20050354
97833825
104215020
112419897
1214b32b8
13b476c4
147ba12c
15583d65
hex4050ec

4215020 has 24 divisors (see below), whose sum is σ = 8975904. Its totient is φ = 1662336.

The previous prime is 4215011. The next prime is 4215023. The reversal of 4215020 is 205124.

It is a junction number, because it is equal to n+sod(n) for n = 4214986 and 4215004.

It is not an unprimeable number, because it can be changed into a prime (4215023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17 + ... + 2903.

It is an arithmetic number, because the mean of its divisors is an integer number (373996).

Almost surely, 24215020 is an apocalyptic number.

It is an amenable number.

4215020 is an abundant number, since it is smaller than the sum of its proper divisors (4760884).

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

4215020 is a wasteful number, since it uses less digits than its factorization.

4215020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 4215020 is about 2053.0513875692. The cubic root of 4215020 is about 161.5349667248.

The spelling of 4215020 in words is "four million, two hundred fifteen thousand, twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 2887 5774 11548 14435 28870 57740 210751 421502 843004 1053755 2107510 4215020