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2257458396 = 2232633312161
BaseRepresentation
bin1000011010001110…
…0001010011011100
312211022210202202020
42012203201103130
514110402132041
61012001100140
7106641036234
oct20643412334
95738722666
102257458396
11a593049a6
12530027650
1329c8cb7cb
14175b56cc4
15d32bb866
hex868e14dc

2257458396 has 48 divisors (see below), whose sum is σ = 5305859328. Its totient is φ = 747014400.

The previous prime is 2257458391. The next prime is 2257458421. The reversal of 2257458396 is 6938547522.

It is a happy number.

It is a super-2 number, since 2×22574583962 = 10192236819341785632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257458391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1043556 + ... + 1045716.

It is an arithmetic number, because the mean of its divisors is an integer number (110538736).

Almost surely, 22257458396 is an apocalyptic number.

It is an amenable number.

2257458396 is an abundant number, since it is smaller than the sum of its proper divisors (3048400932).

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

2257458396 is a wasteful number, since it uses less digits than its factorization.

2257458396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762 (or 2760 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 51.

The square root of 2257458396 is about 47512.7182552209. The cubic root of 2257458396 is about 1311.8169910993.

The spelling of 2257458396 in words is "two billion, two hundred fifty-seven million, four hundred fifty-eight thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 263 331 526 662 789 993 1052 1324 1578 1986 2161 3156 3972 4322 6483 8644 12966 25932 87053 174106 261159 348212 522318 568343 715291 1044636 1136686 1430582 1705029 2145873 2273372 2861164 3410058 4291746 6820116 8583492 188121533 376243066 564364599 752486132 1128729198 2257458396