Search a number
-
+
145694670 = 23511441499
BaseRepresentation
bin10001010111100…
…01111111001110
3101011011001111220
420223301333032
5244244212140
622242424210
73416245542
oct1053617716
9334131456
10145694670
1175271620
1240962066
1324252384
14154c7a22
15cbcdbd0
hex8af1fce

145694670 has 32 divisors (see below), whose sum is σ = 381456000. Its totient is φ = 35319840.

The previous prime is 145694611. The next prime is 145694671. The reversal of 145694670 is 76496541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145694671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220420 + ... + 221079.

It is an arithmetic number, because the mean of its divisors is an integer number (11920500).

Almost surely, 2145694670 is an apocalyptic number.

145694670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145694670 is an abundant number, since it is smaller than the sum of its proper divisors (235761330).

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

145694670 is a wasteful number, since it uses less digits than its factorization.

145694670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441520.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 145694670 is about 12070.4047156672. The cubic root of 145694670 is about 526.1964188107.

The spelling of 145694670 in words is "one hundred forty-five million, six hundred ninety-four thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 441499 882998 1324497 2207495 2648994 4414990 4856489 6622485 9712978 13244970 14569467 24282445 29138934 48564890 72847335 145694670