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2354890993 = 71325877923
BaseRepresentation
bin1000110001011100…
…1100100011110001
320002010010212010221
42030113030203301
514310323002433
61025401253041
7112233146260
oct21427144361
96063125127
102354890993
11aa9302504
12558794181
132b6b53830
14184a7a5d7
15dbb1572d
hex8c5cc8f1

2354890993 has 8 divisors (see below), whose sum is σ = 2898327488. Its totient is φ = 1863210384.

The previous prime is 2354890991. The next prime is 2354890997. The reversal of 2354890993 is 3990984532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2354890993 - 21 = 2354890991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2354890993.

It is not an unprimeable number, because it can be changed into a prime (2354890991) 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, 12938871 + ... + 12939052.

It is an arithmetic number, because the mean of its divisors is an integer number (362290936).

Almost surely, 22354890993 is an apocalyptic number.

It is an amenable number.

2354890993 is a deficient number, since it is larger than the sum of its proper divisors (543436495).

2354890993 is a wasteful number, since it uses less digits than its factorization.

2354890993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25877943.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The square root of 2354890993 is about 48527.2190940301. The cubic root of 2354890993 is about 1330.4246091836.

The spelling of 2354890993 in words is "two billion, three hundred fifty-four million, eight hundred ninety thousand, nine hundred ninety-three".

Divisors: 1 7 13 91 25877923 181145461 336412999 2354890993