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2357220385 = 513223162623
BaseRepresentation
bin1000110010000000…
…0101010000100001
320002021112012110201
42030200011100201
514311422023020
61025523225201
7112262020432
oct21440052041
96067465421
102357220385
11aaa653623
12559518201
132b748ab80
141850c5489
15dbe25a0a
hex8c805421

2357220385 has 16 divisors (see below), whose sum is σ = 3059933184. Its totient is φ = 1732900032.

The previous prime is 2357220367. The next prime is 2357220401. The reversal of 2357220385 is 5830227532.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2357220385 - 29 = 2357219873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66817 + ... + 95806.

It is an arithmetic number, because the mean of its divisors is an integer number (191245824).

Almost surely, 22357220385 is an apocalyptic number.

It is an amenable number.

2357220385 is a deficient number, since it is larger than the sum of its proper divisors (702712799).

2357220385 is a wasteful number, since it uses less digits than its factorization.

2357220385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162864.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 2357220385 is about 48551.2140424933. The cubic root of 2357220385 is about 1330.8631375020.

The spelling of 2357220385 in words is "two billion, three hundred fifty-seven million, two hundred twenty thousand, three hundred eighty-five".

Divisors: 1 5 13 65 223 1115 2899 14495 162623 813115 2114099 10570495 36264929 181324645 471444077 2357220385