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3478011745 = 5131133591319
BaseRepresentation
bin1100111101001110…
…0011111101100001
322222101111022011211
43033103203331201
524110332333440
61333041510121
7152121416635
oct31723437541
98871438154
103478011745
11152527977a
12810942341
1343573b220
1424dcb6dc5
15155516eea
hexcf4e3f61

3478011745 has 32 divisors (see below), whose sum is σ = 4550515200. Its totient is φ = 2536633344.

The previous prime is 3478011743. The next prime is 3478011749. The reversal of 3478011745 is 5471108743.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3478011745 - 21 = 3478011743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3478011698 and 3478011707.

It is not an unprimeable number, because it can be changed into a prime (3478011743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2636196 + ... + 2637514.

It is an arithmetic number, because the mean of its divisors is an integer number (142203600).

Almost surely, 23478011745 is an apocalyptic number.

It is an amenable number.

3478011745 is a deficient number, since it is larger than the sum of its proper divisors (1072503455).

3478011745 is a wasteful number, since it uses less digits than its factorization.

3478011745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 3478011745 is about 58974.6703678791. The cubic root of 3478011745 is about 1515.1083142433.

The spelling of 3478011745 in words is "three billion, four hundred seventy-eight million, eleven thousand, seven hundred forty-five".

Divisors: 1 5 13 65 113 359 565 1319 1469 1795 4667 6595 7345 17147 23335 40567 85735 149047 202835 473521 527371 745235 1937611 2367605 2636855 6155773 9688055 30778865 53507873 267539365 695602349 3478011745