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2257403901 = 33257231031
BaseRepresentation
bin1000011010001101…
…0011111111111101
312211022200222222220
42012203103333331
514110343411101
61011555555553
7106640421324
oct20643237775
95738628886
102257403901
11a59277a65
1252bbbbbb9
1329c8aca6c
14175b410bb
15d32aa636
hex868d3ffd

2257403901 has 8 divisors (see below), whose sum is σ = 3010809024. Its totient is φ = 1504467360.

The previous prime is 2257403887. The next prime is 2257403903. The reversal of 2257403901 is 1093047522.

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

It is not a de Polignac number, because 2257403901 - 27 = 2257403773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257403903) 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, 105745 + ... + 125286.

It is an arithmetic number, because the mean of its divisors is an integer number (376351128).

Almost surely, 22257403901 is an apocalyptic number.

It is an amenable number.

2257403901 is a deficient number, since it is larger than the sum of its proper divisors (753405123).

2257403901 is a wasteful number, since it uses less digits than its factorization.

2257403901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234291.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2257403901 is about 47512.1447737313. The cubic root of 2257403901 is about 1311.8064352692.

The spelling of 2257403901 in words is "two billion, two hundred fifty-seven million, four hundred three thousand, nine hundred one".

Divisors: 1 3 3257 9771 231031 693093 752467967 2257403901