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2542554020 = 225711790531
BaseRepresentation
bin1001011110001100…
…0100101110100100
320120012021010102102
42113203010232210
520201343212040
61100143431232
7120002231636
oct22743045644
96505233372
102542554020
111095229516
125ab5b5518
133169ab646
141a196aa56
15ed334515
hex978c4ba4

2542554020 has 24 divisors (see below), whose sum is σ = 5414568768. Its totient is φ = 1002696800.

The previous prime is 2542554019. The next prime is 2542554031. The reversal of 2542554020 is 204552452.

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, 893846 + ... + 896685.

It is an arithmetic number, because the mean of its divisors is an integer number (225607032).

Almost surely, 22542554020 is an apocalyptic number.

2542554020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2542554020 is an abundant number, since it is smaller than the sum of its proper divisors (2872014748).

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

2542554020 is a wasteful number, since it uses less digits than its factorization.

2542554020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790611 (or 1790609 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 2542554020 is about 50423.7446050965. The cubic root of 2542554020 is about 1364.8661499348.

The spelling of 2542554020 in words is "two billion, five hundred forty-two million, five hundred fifty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 1790531 3581062 7162124 8952655 17905310 35810620 127127701 254255402 508510804 635638505 1271277010 2542554020