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45720859 = 1914471663
BaseRepresentation
bin1010111001101…
…0010100011011
310012000212020011
42232122110123
543201031414
64311542351
71063422652
oct256322433
9105025204
1045720859
1123898838
121338a9b7
13961a782
146102199
154031dc4
hex2b9a51b

45720859 has 8 divisors (see below), whose sum is σ = 48189440. Its totient is φ = 43258536.

The previous prime is 45720839. The next prime is 45720881. The reversal of 45720859 is 95802754.

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 45720859 - 25 = 45720827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45720839) 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, 26662 + ... + 28324.

It is an arithmetic number, because the mean of its divisors is an integer number (6023680).

Almost surely, 245720859 is an apocalyptic number.

45720859 is a deficient number, since it is larger than the sum of its proper divisors (2468581).

45720859 is a wasteful number, since it uses less digits than its factorization.

45720859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 45720859 is about 6761.7201213892. The cubic root of 45720859 is about 357.5785512103.

It can be divided in two parts, 457 and 20859, that added together give a square (21316 = 1462).

The spelling of 45720859 in words is "forty-five million, seven hundred twenty thousand, eight hundred fifty-nine".

Divisors: 1 19 1447 1663 27493 31597 2406361 45720859