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469442090 = 25133611093
BaseRepresentation
bin11011111110110…
…001111000101010
31012201100010111002
4123332301320222
51430134121330
6114325435002
714430122555
oct3376617052
91181303432
10469442090
11220a95877
1211126ba62
13763461b0
14464bd69c
152b32de45
hex1bfb1e2a

469442090 has 16 divisors (see below), whose sum is σ = 909995688. Its totient is φ = 173332416.

The previous prime is 469442081. The next prime is 469442093. The reversal of 469442090 is 90244964.

469442090 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 396527569 + 72914521 = 19913^2 + 8539^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (469442093) 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, 1805417 + ... + 1805676.

Almost surely, 2469442090 is an apocalyptic number.

469442090 is a deficient number, since it is larger than the sum of its proper divisors (440553598).

469442090 is a wasteful number, since it uses less digits than its factorization.

469442090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611113.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 469442090 is about 21666.6123332652. The cubic root of 469442090 is about 777.1902468520.

The spelling of 469442090 in words is "four hundred sixty-nine million, four hundred forty-two thousand, ninety".

Divisors: 1 2 5 10 13 26 65 130 3611093 7222186 18055465 36110930 46944209 93888418 234721045 469442090