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2154254052 = 223179521171
BaseRepresentation
bin1000000001100111…
…0100111011100100
312120010121110000010
42000121310323210
513402442112202
6553433050220
7104245600026
oct20031647344
95503543003
102154254052
11a06024a55
12501556970
13284405652
14166170016
15c91d276c
hex80674ee4

2154254052 has 12 divisors (see below), whose sum is σ = 5026592816. Its totient is φ = 718084680.

The previous prime is 2154254027. The next prime is 2154254099. The reversal of 2154254052 is 2504524512.

It is a tau number, because it is divible by the number of its divisors (12).

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, 89760574 + ... + 89760597.

Almost surely, 22154254052 is an apocalyptic number.

It is an amenable number.

2154254052 is an abundant number, since it is smaller than the sum of its proper divisors (2872338764).

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

2154254052 is a wasteful number, since it uses less digits than its factorization.

2154254052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179521178 (or 179521176 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2154254052 is about 46413.9424311273. The cubic root of 2154254052 is about 1291.5135674543.

Adding to 2154254052 its reverse (2504524512), we get a palindrome (4658778564).

The spelling of 2154254052 in words is "two billion, one hundred fifty-four million, two hundred fifty-four thousand, fifty-two".

Divisors: 1 2 3 4 6 12 179521171 359042342 538563513 718084684 1077127026 2154254052