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3370381945 = 57229094729
BaseRepresentation
bin1100100011100011…
…1111001001111001
322200212222010211221
43020320333021321
523400304210240
61314234552041
7146343526300
oct31070771171
98625863757
103370381945
11147a546927
127a0898621
13419355958
1423d89b437
1514ad56a4a
hexc8e3f279

3370381945 has 24 divisors (see below), whose sum is σ = 4707390600. Its totient is φ = 2309836032.

The previous prime is 3370381939. The next prime is 3370381961. The reversal of 3370381945 is 5491830733.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 142778601 + 3227603344 = 11949^2 + 56812^2 .

It is not a de Polignac number, because 3370381945 - 225 = 3336827513 is a prime.

It is a super-2 number, since 2×33703819452 = 22718948910363966050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 710341 + ... + 715069.

It is an arithmetic number, because the mean of its divisors is an integer number (196141275).

Almost surely, 23370381945 is an apocalyptic number.

3370381945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3370381945 is a deficient number, since it is larger than the sum of its proper divisors (1337008655).

3370381945 is a wasteful number, since it uses less digits than its factorization.

3370381945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7657 (or 7650 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 3370381945 is about 58054.9906984748. The cubic root of 3370381945 is about 1499.3155314197.

The spelling of 3370381945 in words is "three billion, three hundred seventy million, three hundred eighty-one thousand, nine hundred forty-five".

Divisors: 1 5 7 35 49 245 2909 4729 14545 20363 23645 33103 101815 142541 165515 231721 712705 1158605 13756661 68783305 96296627 481483135 674076389 3370381945