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45780139 = 198112971
BaseRepresentation
bin1010111010100…
…0110010101011
310012010212112201
42232220302223
543204431024
64313121031
71064060536
oct256506253
9105125481
1045780139
1123929329
12133b9177
13963b752
146119a1d
154044744
hex2ba8cab

45780139 has 8 divisors (see below), whose sum is σ = 48265280. Its totient is φ = 43302600.

The previous prime is 45780131. The next prime is 45780197. The reversal of 45780139 is 93108754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45780139 - 23 = 45780131 is a prime.

It is a super-2 number, since 2×457801392 = 4191642253718642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45780098 and 45780107.

It is not an unprimeable number, because it can be changed into a prime (45780131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13924 + ... + 16894.

It is an arithmetic number, because the mean of its divisors is an integer number (6033160).

Almost surely, 245780139 is an apocalyptic number.

45780139 is a deficient number, since it is larger than the sum of its proper divisors (2485141).

45780139 is a wasteful number, since it uses less digits than its factorization.

45780139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 45780139 is about 6766.1022014155. The cubic root of 45780139 is about 357.7330255748.

The spelling of 45780139 in words is "forty-five million, seven hundred eighty thousand, one hundred thirty-nine".

Divisors: 1 19 811 2971 15409 56449 2409481 45780139