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3438985360 = 2451013791123
BaseRepresentation
bin1100110011111010…
…1100000010010000
322212200001120001011
43030332230002100
524020340012420
61325125220304
7151135615246
oct31476540220
98780046034
103438985360
111505243668
127bb861694
1342a6258a5
14248a38796
15151da895a
hexccfac090

3438985360 has 80 divisors (see below), whose sum is σ = 8103320640. Its totient is φ = 1357171200.

The previous prime is 3438985307. The next prime is 3438985367. The reversal of 3438985360 is 635898343.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (3438985367) 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, 3061759 + ... + 3062881.

It is an arithmetic number, because the mean of its divisors is an integer number (101291508).

Almost surely, 23438985360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3438985360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4051660320).

3438985360 is an abundant number, since it is smaller than the sum of its proper divisors (4664335280).

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

3438985360 is a wasteful number, since it uses less digits than its factorization.

3438985360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1610 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The square root of 3438985360 is about 58642.8628223418. The cubic root of 3438985360 is about 1509.4200307684.

The spelling of 3438985360 in words is "three billion, four hundred thirty-eight million, nine hundred eighty-five thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 101 202 379 404 505 758 808 1010 1123 1516 1616 1895 2020 2246 3032 3790 4040 4492 5615 6064 7580 8080 8984 11230 15160 17968 22460 30320 38279 44920 76558 89840 113423 153116 191395 226846 306232 382790 425617 453692 567115 612464 765580 851234 907384 1134230 1531160 1702468 1814768 2128085 2268460 3062320 3404936 4256170 4536920 6809872 8512340 9073840 17024680 34049360 42987317 85974634 171949268 214936585 343898536 429873170 687797072 859746340 1719492680 3438985360