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2354457140 = 225716817551
BaseRepresentation
bin1000110001010110…
…0010101000110100
320002002022211000022
42030111202220310
514310220112030
61025344104312
7112226361350
oct21425425064
96062284008
102354457140
11aa9036552
12558605098
132b6a31209
141849a6460
15dba7bde5
hex8c562a34

2354457140 has 24 divisors (see below), whose sum is σ = 5650697472. Its totient is φ = 807242400.

The previous prime is 2354457137. The next prime is 2354457187. The reversal of 2354457140 is 417544532.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 2354457140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8408636 + ... + 8408915.

It is an arithmetic number, because the mean of its divisors is an integer number (235445728).

Almost surely, 22354457140 is an apocalyptic number.

2354457140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2354457140 is an abundant number, since it is smaller than the sum of its proper divisors (3296240332).

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

2354457140 is a wasteful number, since it uses less digits than its factorization.

2354457140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16817567 (or 16817565 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 2354457140 is about 48522.7486855392. The cubic root of 2354457140 is about 1330.3429006373.

The spelling of 2354457140 in words is "two billion, three hundred fifty-four million, four hundred fifty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 16817551 33635102 67270204 84087755 117722857 168175510 235445714 336351020 470891428 588614285 1177228570 2354457140