Search a number
-
+
70746045 = 3523474363
BaseRepresentation
bin1000011011101…
…11111110111101
311221010021022220
410031313332331
5121102333140
611004155553
71516221456
oct415677675
9157107286
1070746045
1136a30607
121b838bb9
1311870286
14957812d
156326bd0
hex4377fbd

70746045 has 32 divisors (see below), whose sum is σ = 120655872. Its totient is φ = 35314752.

The previous prime is 70746041. The next prime is 70746059. The reversal of 70746045 is 54064707.

It is not a de Polignac number, because 70746045 - 22 = 70746041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70745997 and 70746015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70746041) 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, 14034 + ... + 18396.

It is an arithmetic number, because the mean of its divisors is an integer number (3770496).

Almost surely, 270746045 is an apocalyptic number.

It is an amenable number.

70746045 is a deficient number, since it is larger than the sum of its proper divisors (49909827).

70746045 is a wasteful number, since it uses less digits than its factorization.

70746045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 70746045 is about 8411.0668169977. The cubic root of 70746045 is about 413.5874849680.

The spelling of 70746045 in words is "seventy million, seven hundred forty-six thousand, forty-five".

Divisors: 1 3 5 15 23 47 69 115 141 235 345 705 1081 3243 4363 5405 13089 16215 21815 65445 100349 205061 301047 501745 615183 1025305 1505235 3075915 4716403 14149209 23582015 70746045