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464720290 = 25234434561
BaseRepresentation
bin11011101100110…
…001000110100010
31012101110020101121
4123230301012202
51422432022130
6114040322454
714342025436
oct3354610642
91171406347
10464720290
11219360261
1210b77342a
1375381c28
1445a109c6
152abe9d7a
hex1bb311a2

464720290 has 32 divisors (see below), whose sum is σ = 875028096. Its totient is φ = 177365760.

The previous prime is 464720257. The next prime is 464720293. The reversal of 464720290 is 92027464.

It is not an unprimeable number, because it can be changed into a prime (464720293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99610 + ... + 104170.

It is an arithmetic number, because the mean of its divisors is an integer number (27344628).

Almost surely, 2464720290 is an apocalyptic number.

464720290 is a deficient number, since it is larger than the sum of its proper divisors (410307806).

464720290 is a wasteful number, since it uses less digits than its factorization.

464720290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5034.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 464720290 is about 21557.3720569090. The cubic root of 464720290 is about 774.5757178165.

The spelling of 464720290 in words is "four hundred sixty-four million, seven hundred twenty thousand, two hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 443 886 2215 4430 4561 9122 10189 20378 22805 45610 50945 101890 104903 209806 524515 1049030 2020523 4041046 10102615 20205230 46472029 92944058 232360145 464720290