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3402144520 = 235431977991
BaseRepresentation
bin1100101011001000…
…1001101100001000
322210002201211220121
43022302021230020
523431422111040
61321331433024
7150210515455
oct31262115410
98702654817
103402144520
111496470595
127ab455774
13422ac6c88
14243ba882c
1514da2cc4a
hexcac89b08

3402144520 has 32 divisors (see below), whose sum is σ = 7832848320. Its totient is φ = 1329209280.

The previous prime is 3402144509. The next prime is 3402144547. The reversal of 3402144520 is 254412043.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987276 + ... + 990715.

It is an arithmetic number, because the mean of its divisors is an integer number (244776510).

Almost surely, 23402144520 is an apocalyptic number.

It is an amenable number.

3402144520 is an abundant number, since it is smaller than the sum of its proper divisors (4430703800).

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

3402144520 is a wasteful number, since it uses less digits than its factorization.

3402144520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978045 (or 1978041 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 3402144520 is about 58327.9051569658. The cubic root of 3402144520 is about 1504.0106771254.

Adding to 3402144520 its reverse (254412043), we get a palindrome (3656556563).

The spelling of 3402144520 in words is "three billion, four hundred two million, one hundred forty-four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 344 430 860 1720 1977991 3955982 7911964 9889955 15823928 19779910 39559820 79119640 85053613 170107226 340214452 425268065 680428904 850536130 1701072260 3402144520