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1006145020 = 22550307251
BaseRepresentation
bin111011111110001…
…000110111111100
32121010020110111101
4323332020313330
54030033120040
6243501102444
733635043256
oct7376106774
92533213441
101006145020
11476a40711
12240b57a24
131305ac1aa
14978aacd6
155d4e709a
hex3bf88dfc

1006145020 has 12 divisors (see below), whose sum is σ = 2112904584. Its totient is φ = 402458000.

The previous prime is 1006145011. The next prime is 1006145069. The reversal of 1006145020 is 205416001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25153606 + ... + 25153645.

It is an arithmetic number, because the mean of its divisors is an integer number (176075382).

Almost surely, 21006145020 is an apocalyptic number.

1006145020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1006145020 is an abundant number, since it is smaller than the sum of its proper divisors (1106759564).

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

1006145020 is a wasteful number, since it uses less digits than its factorization.

1006145020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50307260 (or 50307258 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1006145020 is about 31719.7890913543. The cubic root of 1006145020 is about 1002.0441585685.

The spelling of 1006145020 in words is "one billion, six million, one hundred forty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 50307251 100614502 201229004 251536255 503072510 1006145020