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3438372390 = 235114612413
BaseRepresentation
bin1100110011110001…
…0110011000100110
322212121220102012120
43030330112120212
524020210404030
61325104130410
7151130453205
oct31474263046
98777812176
103438372390
111504965082
127bb606a06
1342a46c89b
1424891923c
15151cd7010
hexccf16626

3438372390 has 16 divisors (see below), whose sum is σ = 8252093808. Its totient is φ = 916899296.

The previous prime is 3438372389. The next prime is 3438372437. The reversal of 3438372390 is 932738343.

3438372390 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57306177 + ... + 57306236.

It is an arithmetic number, because the mean of its divisors is an integer number (515755863).

Almost surely, 23438372390 is an apocalyptic number.

3438372390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3438372390 is an abundant number, since it is smaller than the sum of its proper divisors (4813721418).

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

3438372390 is a wasteful number, since it uses less digits than its factorization.

3438372390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114612423.

The product of its (nonzero) digits is 326592, while the sum is 42.

The square root of 3438372390 is about 58637.6362927429. The cubic root of 3438372390 is about 1509.3303449961.

The spelling of 3438372390 in words is "three billion, four hundred thirty-eight million, three hundred seventy-two thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 114612413 229224826 343837239 573062065 687674478 1146124130 1719186195 3438372390