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2090457164 = 224753209801
BaseRepresentation
bin111110010011001…
…1101100001001100
312101200120020010102
41330212131201030
513240124112124
6543233430232
7102542410205
oct17446354114
95350506112
102090457164
11983010454
124a410b378
13274129403
1415b8c45ac
15c37ceaae
hex7c99d84c

2090457164 has 24 divisors (see below), whose sum is σ = 3806647488. Its totient is φ = 1003683200.

The previous prime is 2090457163. The next prime is 2090457179. The reversal of 2090457164 is 4617540902.

It is a super-2 number, since 2×20904571642 = 8740022309037845792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2090457163) 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, 94937 + ... + 114864.

It is an arithmetic number, because the mean of its divisors is an integer number (158610312).

Almost surely, 22090457164 is an apocalyptic number.

It is an amenable number.

2090457164 is a deficient number, since it is larger than the sum of its proper divisors (1716190324).

2090457164 is a wasteful number, since it uses less digits than its factorization.

2090457164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209905 (or 209903 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 2090457164 is about 45721.5175163730. The cubic root of 2090457164 is about 1278.6364801553.

The spelling of 2090457164 in words is "two billion, ninety million, four hundred fifty-seven thousand, one hundred sixty-four".

Divisors: 1 2 4 47 53 94 106 188 212 2491 4982 9964 209801 419602 839204 9860647 11119453 19721294 22238906 39442588 44477812 522614291 1045228582 2090457164